It might not have any electrons in it, but it still exists, so you need to draw these into your molecular orbital diagram.

也许它里面没有电子，但它是存在的，所以你需要在分子轨道图里画出来。

麻省理工公开课 - 化学原理课程节选

You thought you were imagining a world in which the Evening Star exists and the Morning Star doesn't, but you weren't really imagining a world in which the Evening Star exists and the Morning Star doesn't.

你觉得你在想象一个,昏星存在,但晨星不存在的世界,但你并没有真正地想象出,一个昏星存在,而晨星却不存在的世界

耶鲁公开课 - 死亡课程节选

bug You're gonna run into innumerable bugs most likely, by bugs we mean mistakes, - behaviors that you didn't quite intend and yet they seem to be-- and yet your program seems to be misbehaving in some sense.

你可能会制造数不清的，对了，我们称bug为错误或，你完全没有预料到的行为，但是它们的确存在-,这样看来，你的作品在某种意义上可以说是行为不端。

哈佛公开课 - 计算机科学课程节选