So, you already have a hint that methyl groups are never in the middle, they always have to be on the outside.

那么，你已经得到了一个提示,那就是甲基永远都不可能在中间，它们总是在外侧。

麻省理工公开课 - 化学原理课程节选

so they'll always take you to places that are not very touristy,

所以他们可以带你去游客不常去的地方，

来自世界各地的朋友 - SpeakingMax英语口语达人

So,you know,Christians are always squabbling.

所以基督教徒经常争吵。

耶鲁公开课 - 新约课程节选

Welles presented it. He'll say no. It's a work of art. I find it exhilarating. So if you are an artist, you can always have an happy life dedicating yourself to your art.

威尔斯这般表达，他将对之说不,这只是个艺术活，我觉得它令人愉快,因此如果你是个艺术家，你就总能拥有,快乐的生活，全身心地投入到艺术中去。

麻省理工公开课 - 电影哲学课程节选

So you don't want to put in a negative energy, that's not going to help you out, you need to put in positive energy to get an electron out of the system. So that's why you'll find binding energies are always negative, and ionization energies are always going to be positive, or you could look at the equation and see it from there as well.

因为这对电离没有帮助,你需要一个正的能量,使得电子脱离这个系统,这就是为什么你会发现,结合能总是负的而电离能总是正的,或者你们看这个方程也可以发现这一点。

麻省理工公开课 - 化学原理课程节选