a group of people 与the group of people的区别
问题描述：
a group of people 与the group of people的区别
答
a group of people 一群人,但不固定是什么样的一群人如：Standing on a stage in front of a group of people to deliver a speech,however ,is certainly unnatural .不过,站在台上面对一群人作演讲确实是一件很不...