While the figures for the Western countries grew to about 15

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/17 01:03:12

While the figures for the Western countries grew to about 15% in around 1990,the figure for japan dipped to only 2.5% for much of this period,before rising to almost 5% again at the present time.
请问其中俩个逗号的用法

前一个逗号是将两个句子隔开,将西方国家和日本的人口情况作对比,用连词while 连接两个句子；后一个逗号在语法上可用可不用都行,用的好处就是让结构更清晰.

While the figures for the Western countries grew to about 15 Last summer,the Green family went to some western countries, in the west countries还是in the western countries The survey is about—A.Western countries B.fast food C.restau What is the table of figures about In some western countries people are not supposed to eat?the It is important for the figures ------reguarly in the western countries,most of the children ____their fath 英语翻译Christmas is the most important in the western countries In western countries,the young people are more independent _ ------the western many countries many people don't eat noodl christmas is a popular holiday in the western countries.peop