A To make an A paper in my class, A to make an A on a paper, not only does the paper have to have the right answers and fulfill the assignment, it has to be written elegantly and excellently.

在我的课上要拿，论文得，不仅内容回答要正确,符合要求，而且必须文笔优美。

耶鲁公开课 - 新约课程节选

So, now you have to be very promoted, marketed the right way online, as far as viral,

所以，你现在必须在网上以正确的方式做好宣传，做好营销，像病毒传播一样，

音乐市场的变化！ - SpeakingMax英语口语达人

There are more steps that have to happen correctly in order for that insulin to become active.

还有几个步骤,必须正确完成这些步骤后,才能生成有活性的胰岛素

耶鲁公开课 - 生物医学工程探索课程节选

It finds one syntax error at a time, so you have to be a little patient to do it, but you can check that the syntax is right.

它一次会找到一个语法错误，所以你们必须要有点耐心，但是你们可以检查出语法是否正确。

麻省理工公开课 - 计算机科学及编程导论课程节选

So we have to work with him and push him in the right direction.

所以必须与他合作，把他推向正确的轨道。

普林斯顿公开课 - 国际座谈会课程节选

But, it doesn't always work because you have to be damn sure you're right.

但此方法也不经常奏效因为你必须得,十分肯定你的做法是正确的。

耶鲁公开课 - 金融市场课程节选

Both of those things have to be correct.

这两者都必须正确无误

耶鲁公开课 - 生物医学工程探索课程节选