什么是零息债券到期收益率？

1. 什么是零息债券到期收益率？

　　零息债券收益率是资金供给需求状况的最纯粹的度量，其二级市场收益率被广泛用于计算其它金融产品的现值，或对其它债券进行定价。

　　“一次还本付息债券”及“零息债券”持有期间均不会有利息到帐，前者的本利在到期时一次性支付，后者的收益隐含在到期时按债券面额偿付的本金中。待偿期在一年及以内的一次还本付息债券及零息债券，按单利计算收益率，否则按复利计算。

　　由零息债券构成的收益率曲线，英文也称为spot yield curve。市场通常做法是根据理论从平价收益率曲线(par yield 
curve)推出这条曲线，并经常用于推算贴现因子。平价收益率曲线是由那些价格与面值相等(selling at par)的债券所构成的收益率曲线。

2. 为什么有人偏好零息债券？他是怎样实现收益的

0息债券平时不支付利息，不过在买这种债券的时候是折价买的，比如1000的买成800，利息等于是提前支付了

3. 求助高手,帮忙翻译成英文

要做到这些，教师需要从以下几个方面努力： 

1、 更新教育观念，转变教师角色。美国人本主义心理学家罗杰斯认为，人的认知活动总是伴随着一定的情感因素，当情感因素受到压抑甚至抹杀时，人的自我创造潜能 得不到发展和实现；而只有用真实的、对个人的尊重和理解学生内心世界的态度，才能激发起学生的学习热情，增强他们的自信心。然而，传统的课堂教学就是教师 作为传授者、组织者、控制者，向学生传授知识并组织和控制课堂教学的进程。教师给学生一种“居高临下”的感觉，学生是被动的知识学习者，教学几乎是一种单 向传递的方式，教师把自己的“需要学什么”和“应当怎样学”的标准强加给学生，满足于“要学生跟我学”。这种教育观念的长期存在，必然会导致课堂教学缺乏 情感交流，陷入一种无生气的状态，导致学生上课参与意识不强、英语学习兴趣不浓。 

教师应是“引导者”，是“帮助者”，帮助学生学，创造条件让学生 学。从某种意义上说，外语教师有时又是一个“交际合作者”。教师应经常和学生进行交际，同学生保持平等的身份，使学生感到轻松愉快，解除思想顾虑，教师要 在友好的气氛中帮助学生提高外语交际水平。教师还是“心理治疗者”，要帮助学习困难的学生找出困难原因，分析消极因素的影响，并从心理上帮助他们克服阻遏 外语学习的消极因素，使他们放下包袱，充满信心，学好外语。
To achieve this, teachers need the efforts from the following aspects: 



 1, update their concepts of education, the changing role of teachers. Rogers and psychologists of the Americans believe that human cognitive activity is always accompanied by a certain degree of emotional factors, emotional factors when depressed or even denied, the person's self-development and creative potential is not realized; and only use true, on the respect for and understanding of individual students the attitude of the inner world in order to arouse the enthusiasm of students and enhance their self-confidence. However, traditional classroom teaching is to teach teachers as perpetrators, organizers, control, and passing on knowledge to students and to organize and control the process of classroom teaching. Teachers to the students a kind of "down" feeling, the knowledge students are passive learners, teaching is almost a one-way transmission mode, teachers to their own "need to learn what" and "how to learn" standard imposed on students to meet in the "follow me to the students." This long-term existence of the concept of education, classroom teaching will inevitably lead to a lack of emotional exchange, into a state of lethargy, leading to participation in the awareness of students do not have a strong interest in learning English is not strong. 



 Teachers should be the "guide" and "help" to assist students to learn, to create conditions for students to learn. In a sense, sometimes a foreign language teacher is a "social partners." Teachers and students should always be communication with the students to maintain equal status, so that students feel relaxed and happy, the lifting of the ideological concerns that teachers have in a friendly atmosphere to help students raise the level of foreign language communication. Teachers or "psychological treatment", to help children with learning difficulties to find out the reasons for the difficulties to analyze the impact of negative factors, and to help them overcome the psychological repression of the negative factors in foreign language learning, so that they lay down their burdens, and confidence in learning a foreign language.
2、课堂上要注重形象鼓励、语言鼓励，争取与学生平等相处，增进师生间情感沟通。英语 教学是个复杂的过程，课堂上师生交流频繁。一名优秀的教师应利用这有利的条件，加强与学生的交流，增进师生感情。例如教师可用形象鼓励、语言鼓励等方式， 对学生的点滴进步都要给予及时的肯定和鼓励。当学生回答问题时，教师一定要注意形象鼓励，要面带微笑，认真倾听，让学生感到教师非常重视他，以此拉近师生 的关系，而不是显得满不在乎，漫不经心；若学生回答问题正确了，教师要给予表杨：Greed/Interesting/That is a good idea/I’m glad to hear that/That’s what I thought.…教师的话会给予学生成功的喜悦，从而不断强化学生参与交际的信心。若学生回答错误了，教师不能只是简单的说“no”，而是辅以关心、激 励的表情，使学生体会到温暖和力量。教师还要使用一些建议性的、易于接受的、委婉的表达方法：“You need work harder and pay more attention to you…”而不是说那些伤害学生自尊、挫伤积极性的话语：“You aren’t studying hard.”“you’re so stupid/numb/stubborn/dumb.”
2, we should pay attention to the image of the classroom to encourage, language encouragement for equality with the students, to promote emotional communication between teachers and students. English teaching is a complex process, the classroom teacher-student exchange. Teachers should be a good use of these favorable conditions to strengthen the exchange of students, teachers and students to promote feelings. For example, the image can be used to encourage teachers, language, etc. to encourage the students should be given the little progress in a timely affirmation and encouragement. When students answer questions, teachers must pay attention to the image of encouragement with a smile to seriously listen to, so that students feel that teachers attach great importance to him, as a closer relationship between teachers and students, rather than appear nonchalant, casual; if students answer questions correctly and teachers should be given in table Yang: Greed / Interesting / That is a good idea / I'm glad to hear that / That 's what I thought. ... If the teachers will give students the joy of success, so as to continuously strengthen the students to participate in communication confidence. If the answer to the wrong students, and teachers can not simply say "no", but with concern, encouraging expression, to enable students to appreciate the warmth and strength. Teachers would also like to use some of the recommendations in nature, easily acceptable, euphemistic expression: "You need work harder and pay more attention to you ..." rather than hurt the students said that the self-esteem, discourage the enthusiasm of the words: "You aren't studying hard. "" you're so stupid / numb / stubborn / dumb. "
3、采取灵活多样的教学方法，激发学生的学习动机。 外语学习动机是人类行为动机之一，它表现在渴求外语学习的强烈愿望和求知欲。它是直接推动外语学习的一种内部动因，是外语学习者在外语学习状态中的一种自 觉能动性和积极性的心理状态。有动机的外语学习，学习效果好，而无动机的外语学习往往成为一种负担，学习效果不佳。有些学生外语学习差，其根本原因是自己 没有强烈的外语学习动机。教师首先要利用学生本身固有的动机，如好奇心、对成功和自尊的渴望、乐玩(love or fun)及好动等，激发学生的学习动机。同时，要根据不同的教学内容采用多种多样的教学方法，特别是充分发挥现代信息技术在英语教学中的作用，为学生创设 一个良好的学习环境，激发学生的学习兴趣和学习动机。
3, to adopt a flexible and diverse teaching methods, to stimulate their motivation to learn. Motivation to learn a foreign language is one of the motives behind human behavior, it reflected in the desire to learn foreign languages and a strong desire to thirst for knowledge. It is the direct promotion of foreign language learning of an internal dynamics, is a foreign language learners in foreign language learning in a conscious state initiative and a positive state of mind. Motivated to learn a foreign language, learning, and not motivated to learn a foreign language often becomes a burden, poor learning outcomes. Some students learn a foreign language difference, the fundamental reason for this is not their strong motivation to learn a foreign language. First of all teachers to take advantage of inherent motivation of students, such as curiosity, self-esteem on the success and the desire to play music (love or fun) and a good move and so on, to stimulate their motivation to learn. At the same time, the teaching content according to different variety of teaching methods used, in particular, give full play to the modern information technology in the role of English language teaching for students to create a good learning environment to stimulate students interest in learning and motivation.

4. 求高人帮忙翻译一下这句话T T~

这些都是非常正确，组织成一个更序列，逻辑顺序，使价值的输出可独立评估的行为过程，它获得。

5. 求高手帮我把这句话翻译成英语！

翻译如下：
If a woman is not sexy, she needs emotion; if she is not emotional, sheneeds reason; if she is not reasonable, she has to know herselfclearly. coz only she has is misfortune.

6. 求英语高手帮忙翻译几句话~~急需！！保证准确！机译的不要！谢谢！！

Why don't you go to Twitter these days? Where did you go? The information you see me very sad

7. 英语高手帮忙翻译一下这句，谢谢！急

I do not have world-weary, there is no hatred, no sadness. Do not understand?

Fortunately, the original did not say: I love you ...... not the case. Is really a satire

8. 请高手帮忙把下面这句话译成英文！

I am not sure whether I am lucky enough to join in the lab team to study as an oversea student.