They are quite similar and often used in place of each other. "Could you please" is to ask if you...

Would you be able to send me the file？ Could I have it within ten minutes please？（我可以10分鐘內收到檔案嗎？）...

Could you turn down the music, please? Can you turn on the TV? 回答是的時候，不能用can, will, would 或could ...

I would ask you, Mr. President, please to tell us exactly what we are to decide upon or upon what...

would you pleaseとは意味：～していただけますか？、～してくれますか？、～する意志｛いし｝はありますか？ 相關詞匯. 简体版 English 日本語Fra...

總是說著need 會讓你的聲音聽起來很像老闆，並且令人聽了不舒服，所以可換成這樣說：Could you please…? 或Would you be able to…? 這都些都是很有禮貌的表達...