takeplace和happen的区别是什么?

happen / take place
它们都可以表示“发生”, 但是在用法上有区别.
1)happen常指具体事件的发生,特别指偶然的或未能预见的事情.例如：
A storm happened across the river in another country.
2)如要指事先安排或有准备的事情或活动发生时,通常要用take place.例如：
Great changes have taken place in our hometown during the past ten years.