v. 是;有,存在;做,成为;发生;
aux. 用来表示某人或某物即主语本身,用来表示某人或某物属于某一群体或有某种性质;
例句:
Everybody's business should be everybody's responsibility.
大家的事大家管.
It's chilly outside; be careful not to catch cold.
外面有点冷, 当心着凉.
The National Party Congress shall be convened every five years.
党的全国代表大会每五年举行一次.