Rattlesnakes occur in the warmer, drier parts of North America.

响尾蛇出现在北美温暖干燥的地区。

《牛津词典》

Does it look like something might occur in nature?

这看起来像是会在自然界里发生的吗？

youdao

youdao

Cluster headaches occur in cycles: sufferers can experience several headaches a day for weeks or even months on end.

VOA: standard.2009.12.17

.. I wanted to just give some-- often the inventions that occur in finance, they seem in a way obvious.

我想说一些-,在金融领域常见的发明，从某种程度上来看，他们是很显见的。

耶鲁公开课 - 金融市场课程节选

You will like using "there is no" because it helps you to explain when you don't want something to occur in a situation.

你会喜欢“there is no”句型的，因为它可以用来表达你不希望在某种情况下发生某事。

There is no 课堂 - SpeakingMax英语口语达人

That, you know, these infections do occur in that area in heterosexuals as well.

NPR: Tracking a New Strain of Drug-Resistant Staph

And how can they foresee any potential act of God that might occur in the future?

FORBES: The Bittersweet Challenges Of Being Netsuite

Analysts expect the first listing to occur in the second half of this year.

FORBES: Foreign Companies to List Shares in Shanghai