精神病人认为二加二等于五。

A psychotic thinks that two and two are five.

youdao

假设你想让二加二等于五。

Suppose you wanted two plus two to equal five.

youdao

他连二加二都不会，更不用说做分数题了。

He can't add two and two, let alone do fractions.

youdao

So we can do this for any final charge we have, if we have a molecule that has a charge of plus 2, then all of the formal charges should add up to plus 2 and so on.

对于任意净电荷的情况,我们都可以这样做，比如假设我们有一个带两个正电荷的分子，那么所有的形式电荷加起来应该等于正二，等等。

麻省理工公开课 - 化学原理课程节选

Two plus one equaled three before there were people; two plus one equals three now; two plus one will always equal three.

在人类出现之前,二加一就等于三,二加一现在等于三,并将永远等于三

耶鲁公开课 - 死亡课程节选

It's as though you try-- try getting upset about the fact that two plus two equals four.

这就像你在尝试-,为二加二等于四而烦恼。

耶鲁公开课 - 死亡课程节选