What prevents people from being happy?

问题描述:

What prevents people from being happy?

什么阻止人类拥有快乐的心境?

greed

翻译:什么东西让人们不开心?(什么东西阻止人们开心)
语法:prevent ...from ...from后接名词,动名词
回答:丧事,失恋,落榜,失业.