U.S.funding for AIDS programs has stayed the same, with only a slight increase of two percent.

VOA: standard.2010.07.17

It's only a slight variation that makes it a little bit more polite. A little bit less approaching.

这样轻微的变形可以使你的问题变得更为礼貌，也更为委婉。

Do you mind 课堂 - SpeakingMax英语口语达人