could can you tell me?can you tell me?could you tell me?区别?_英语解答

could can you tell me?
can you tell me?
could you tell me?
区别?

人气：390 ℃　时间：2020-05-23 01:29:26

解答

could you tell me?更加恳切,礼貌的.can you tell me?语气一般