both the chinese family and the american family are smaller than they used to be

问题描述:

both the chinese family and the american family are smaller than they used to be
are smaller than they used to be 前边能看懂后面

总的意思是 中国家庭和美国家庭都比他们原来要小这里are smaller than they used to be 的意思是比他们原来小这是个比较句 是chinese family and the american family 与they used to be相比较 就是现在的中国家庭和...