[請益] if 還是 whether 對
看板Eng-Class (英文板)作者iplfl (living for love)時間10年前 (2016/02/17 23:58)推噓3(3推 0噓 6→)留言9則, 5人參與討論串1/2 (看更多)
(1).To examine if moods influence sleep, we conducted this study.
(2).To examine whether moods influence sleep, we conducted this study.
(3).To examine whether or not moods influence sleep,
we conducted this study.
到底何時要用 if 何時用 whether?
1,2,3那一個才比較正確?
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※ 編輯: iplfl (140.112.77.37), 02/18/2016 00:01:51
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