You divide and you find it's 9 and you say, "Okay, I know what to do with Newton's laws."

除一下,会得到 9,然后你说,"好了,我会用牛顿定律了"

耶鲁公开课 - 基础物理课程节选

you say, "Okay, there's this party but let me know what you think."

你说，“好的，今晚有个派对。你想不想去？”

Let me 课堂 - SpeakingMax英语口语达人

So what the subject is, okay, so if it's something like, you know, buy such and such, a whole bunch of spam.

那么这个主题是，对，如果邮件是，很多关于购物的垃圾邮件。

哈佛公开课 - 计算机科学课程节选