if the man who did the thing was not Tom but John .或者 if the man who did the thing was John rather than Tom 还有 if the man who did the thing was not Tom ,instead it was John
这些都可以表示“不是.而是”
if the man who did the thing was not Tom but John .或者 if the man who did the thing was John rather than Tom 还有 if the man who did the thing was not Tom ,instead it was John
这些都可以表示“不是.而是”