Reading English aloud can not only improve your English but also ___your confidence

问题描述:

Reading English aloud can not only improve your English but also ___your confidence
答案是build up 选项中有set up ,为什么要用build up 两个词组不都有建立的意思吗?这两个是不是有什么区别?

的确,这两个词组都有建立的意思,但是set up建立的是具体的东西(比如公司,组织等等),而build up一般是指抽象的东西(比如信心之类),总之不太具体的都会用build的词组(e.g.build up one's strength 增强体质).如...