What is the difference between these two sentences?
1.) I want to know if he is a doctor.
2.) I want to know whether or not he is a doctor.
尋找適合你的 英語 教師……
解答 · 3
1
1，我想知道他是不是医生。
2，不管他是不是医生我都想知道（真相，或他是干什么的）
1
The presupposition differs:
1) you are looking for a doctor or you want to know if 'he' by any chance is one. It presupposes that you have no information of his profession
2) You heard he is a doctor and/or someone told you he is not. So there is a conflict of information. There is a stronger sense of insecurity.
0
Both sentences are the exact same in my opinion.
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