in addition,besides,what's more 几个词都有 “而且,另外” 的意思,怎么区别?

in addition表示另外,一般用于插入语,跟what's more比较接近In addition ,there are six other applicants.what's more,there are six other applicants除此之外,还有六个申请人in addition to后面可直接跟名词In ad...