be of common occurrence

• prep. 经常发生

be of common occurrence的用法和样例：

例句

用作介词 (prep.)

1. Riots are of frequent occurrence in this province.
   这省经常发生骚乱。
2. So being killed by sharks was a common occurrence.
   因此被鲨鱼吃掉是经常发生的事。