【Daphne Guo】評論
2. must 表示「一定」(含 must be)must 也可以表示「一定」，用在推測某事的可能性，或是推薦人家做某事，來看例句吧。You haven’t eaten anything since last night. You must be hungry.你從昨天晚上就都沒吃東西，一定餓了吧。The jeans cost more than NTD 20,000? You must be kidding me.那件牛仔褲要兩萬多元