there's a world of difference between sth and sth(в русском это малограмотное выражение, а в английском – нормальный фразеологизм: There’s a world of difference between truth and facts. Facts can obscure the truth. [Maya Angelou]unabridgedro.comFranka_LV)
a different bunch of coconuts(Yet there will always be a problem about getting rid of the hyphen: if it's not extra-marital sex (with a hyphen), it is perhaps extra marital sex, which is quite a different bunch of coconuts. Wakeful dormouse)
