随着印度和中国越来越多的人喜欢巧克力，对于第一个原因我们无能为力。

With more and more people in India and China loving chocolate, not much can be done about the first cause.

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对于第一个字符串中的每个字符，第二个字符串中的任意一个字符都由第三个字符串中相应的字母所替代。

For each character in the first string, any letter that appears in the second string is replaced by the corresponding letter from the third-string.

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“对于第一个实验对象，经过大约20小时的训练，他的数字跨度从7上升到20。”爱立信回忆道。

"With the first subject, after about 20 hours of training, his digit span had risen from 7 to 20," Ericsson recalls.

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And we combine this with first law, which for the case of pressure volume changes we write as this.

结合第一和第二定律,对于压强体积功我们可以这样写。

麻省理工公开课 - 热力学与动力学课程节选

And then finally, as you know, the first concept sheet is due next week, and any of those who were here for the first time can go to the lecture notes for last week and it gives a detailed description of how to do the first concept sheet.

最后,第一篇论文的截止日期是下周,新来的同学,可以翻阅上周的讲课笔记,对于如何做第一篇论文,里面有详细的说明

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And similarly, particularly for those less comfortable, do we offer prior to the start of each week for a new piece at what we dub a walkthrough whereby one of the teaching fellows will literally start on the first page, give you a mental framework for the week's problems and talk about the ideas that it covers, and then walk through the piece set so that you have a roadmap of sorts that you can follow.

同样，特别对于那些不熟悉编程跟不上进度的同学，每周上课前都可以预习新的知识点,一名教师从第一页开始,对于每周的问题,都给你们简历一个心理框架,并讨论它所涵盖的思想，然后了解了每个部分之后,就可以有个学习的路线图。

哈佛公开课 - 计算机科学课程节选