Because we obviously can't, in any course, or even any set of courses, tell you everything you'll ever want to know in life we've seeded some things in this program that will be unfamiliar, so during the time you're studying the program, get online, look it up, figure out what they do.

因为在任何一门课上或者几门课上，我们都不可能告诉你，所有你想知道的事情,我们在这个程序中,加上了一些你们不熟悉的东西，所以在你们研究这个程序的时候，你们可以上网找资料，弄懂它是干什么的。

麻省理工公开课 - 计算机科学及编程导论课程节选

you don't know all these things. You don't know the history and you don't know the reasons.

你不知道全部的事情。你不知道那些历史，也不知道原因。

美国的博物馆教育 - SpeakingMax英语口语达人

Don't know where anything is in New York, but they are super nice."

你可以不知道纽约的任何事情，但你要知道纽约人都很好。”

美国国内旅游经验 - SpeakingMax英语口语达人