有时发生的一些事情不能保证它们绝对正确或公平。

Sometimes things happen, not every deed is 100% correct or fair.

youdao

这样的事情有时候就在我们的眼皮底下发生。

Things like this happen sometimes right under our noses.

youdao

“有时候，糟糕的事情会一次又一次地发生，我们永远不知道为什么，”米歇尔说，希望她能做点什么来减轻她的痛苦。

"Sometimes, bad things happen again and again, and we never understand why, "Michele said, wishing ther was something she could do to ease her pain.

youdao

So it's OK to not specify. I want to point out, pz whether you're in the p x, the p y, or the p z, unless a question specifically m asks you to specify the m sub l, which occasionally will happen, but if it doesn't happen you just write it like this.

我想指出的是，无论你在px，py或，除非一个问题特别地,让你指出l下面的，这种情况有时会发生，这样就可以了,但是如果它不做要求你们写成。

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