英文小问题帮忙看看In terms of the number of years of schooling receiv
英文小问题帮忙看看
In terms of the number of years of schooling received,we see the length of time people at school in industrialised counties was much greater at 8.5years in 1980,compared to 2.5 years in developing counties.
我知道英文中的逗号有状语前置和非限定性定语从句等使用
这句话的第二个逗号是什么什么使用方法,我猜是一口气说不玩了就逗一个,不知道对不对呢?