麻烦看下这个英语句子有没有错误
问题描述：
麻烦看下这个英语句子有没有错误
after all,education is the prime force of productivity and promoting the quality of a nation's population is a necessary,even though it impose much pressure upon a nation economically
答
稍改一下
after all,education is the prime force of productivity,and essential to promoting the quality of a nation's population,even though it also imposes much pressure upon a nation economically