如果不清楚，就去问清楚。

If you're not sure, ask.

youdao

了解自己做错了什么。如果不清楚，就去问清楚。

Know what you did wrong. If you're not sure, ask.

youdao

如果不清楚，那么他们就会发现自己的竞争优势越来越小。

If they are not, they will find their competitive advantage dwindling.

youdao

I'm pointing toward the Charonne, that doesn't do any good, but anyway--because,when I get close sometimes I can't see.

我指到了夏河内省,这不对了,别在意,因为我如果站得太近,就看不太清楚了

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or if I'm, I don't know, or if I want to sort of follow in their footsteps and,

或者，我也不清楚，如果我想跟随他们的脚步，

要想成为事业家 - SpeakingMax英语口语达人

If you're wondering what's OK or what's not OK, it's very clearly written out in this handout, so make sure you read through it, because it is your responsibility to make sure that your calculator does not have anything extra programmed in it.

如果你不清楚什么可以什么不可以，讲义上写得很清楚，所以请大家务必看完它，因为你有义务保证,在自己的计算器里,没有编上额外的程序。

麻省理工公开课 - 化学原理课程节选