whether or

　　英 [ˈweðə(r) ɔː(r)]    美 [ˈweðər ɔːr]

　　是否或；是...还是

　　例句

　　It remains to be seen whether or not this idea can be put into practice.

　　这一想法能否付诸实践还有待于观察。

　　They now have two weeks to decide whether or not to buy

　　现在他们有两周时间决定到底买还是不买。

　　Whether or not he realised the fact was neither here nor there.

　　他是否认识到事实真相无关紧要。