Bedeutung von “occur” im Essential American English Dictionary

occur

verb us /əˈkɜr/ present participle occurring, past tense and past participle occurred

formal to happen, often without being planned:

According to the police, the shooting occurred at about 12:30 a.m.

to exist or be present:

The disease mainly occurs in women over 40.

(Definition von “occur” aus dem Webster's Essential Mini Dictionary © Cambridge University Press)