So, for starters we'll keep that as our zero energy, we're going to change it soon to make something that makes more sense in terms of bonding, but we'll keep that as zero for now.

因此，首先我们将会保持零点能的这个定义，但很快我们就会对它进行修改,使它在讨论成键时更合理，但是目前我们还是暂时采用这种定义。

麻省理工公开课 - 化学原理课程节选

I mean, they last forever. You can keep them on for... like a month or something. Yeah, it's awesome.So, yeah.

它们可以维持很久。你可以把他们留在阅读器里，长达一个月。是的，太棒了，嗯。

我的爱好是读书 - SpeakingMax英语口语达人