2012托福 考试:托福写作时必备抽象词(十)
Issue
用法：① An issue is an important subject that people are arguing about or discussing.
例句： This is a complex issue about which not a great deal is known， but the lack of evidence of mineral deficiencies in our population speaks to the adequacy of our soils. （2005.05）
②If something is the issue， it is the thing you consider to be the most important part of a situation or discussion.
③ An issue of s
