参加自助餐的人被服务的时间都不长，自助餐的服务人员比较少。

At a buffet many people can be served in a short time.

youdao

参加自助餐的人被服务的时间都不长，自助餐的服务人员比较少。

At a buffet many people can be served in a short time.

youdao