不及物动词

1. 发生
When something occurs, it happens.

2. 存在；出现；有
When something occurs in a particular place, it exists or is present there.

3. （想法或主意）被想到，被想起，浮现于脑海中
If a thought or idea occurs to you, you suddenly think of it or realize it.

1. come to pass

e.g. What is happening?
The meeting took place off without an incidence
Nothing occurred that seemed important

Synonym: happenhapgo onpass offpassfall outcome abouttake place

2. come to one's mind
suggest itself

e.g. It occurred to me that we should hire another secretary
A great idea then came to her

Synonym: come

3. to be found to exist

e.g. sexism occurs in many workplaces
precious stones occur in a large area in Brazil