Because it allows you to very softly express a dislike about a suggested action.

因为这个句型能让你以一种委婉温柔的方式表达对某一提议的否定。

I'd rather 课堂 - SpeakingMax英语口语达人

But it's a very non-affrontive way to pose the question.

但这是一种委婉的提问方式。

Would you 课堂 - SpeakingMax英语口语达人

The "would you please" pattern is a very polite, very kind and very soft way to ask somebody to do something.

would you please”句型是一种非常礼貌、友善以及委婉地请求他人做某事的方式。

Would you please 课堂 - SpeakingMax英语口语达人