if ever
如果有过的话, 如果发生过的禅亏袭话
例句:
He is a gre殖内念着事降算at musician if ev袁层管婷席普临另er there was one来自.
如果曾经有过伟大的音乐家，那他就是一个空缺。
The island is seldom, if ever, 问章易格visited by ships.
这个贺兄岛难得有船停靠。
She seldom, if ever, goes to the 艺cinema.
她难得看电影。