是否或;是…还是…;或者…或者…
英文例句/中文翻译:
Scholars have debated whether or not Yagenta became a convert
学者们就弥源太是否皈依进行过辩论。
He was faced with the dilemma of whether or not to return to his country
要不要回国,他进退两难。
Whether or not he can be elected mayor is arguable.
他是否能被选为市长有待商榷。