You are supposed to make a copy of the contract before you mail it. 应该 The restaurant is generally supposed to make excellent dishes. 普遍认为 I don’t suppose you know her telephone number. 我想你不知道 --I think their new building is really impressive. —Well, I suppose so. 我想是吧 Let us suppose that you spend one hour on learning English every day. 假设 Suppose/Supposing you won the lottery, what would you do with the money? 假设, 假如