But, according to quantum mechanics, things can happen occasionally.

但是，根据量子力学(quantum mechanics)，事件能够偶然地发生。

youdao

It's rare to receive an offer on the spot, but it does happen occasionally.

当场发offer的情况非常少见，不过偶尔也有。

youdao

The Big Seven worst habits of communication are bad enough when they happen occasionally.

这七大最坏的沟通习惯只要偶尔发生都会坏透了。

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。

麻省理工公开课 - 化学原理课程节选

These happen occasionally, and we typically identify them as an employee or an automated script.

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Sure, bad bounces happen and, occasionally, the winds of fortune may swing in your favor, but the primary driver of consistent success is practice.

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Although, on the scattershot principle, this occasionally might happen.

BBC: How sci-fi moves with the times