what du you say 和 how to say 哪个对

how to say 和 what to say 的差别 as what you say和as you say 哪个对?为什么? say what you want to say 是什么意思? I know what do you want to say和 I know what you want to say Say what you need to say love to you还是say love for you?哪个对? What tosay /how to do say I have no words to say .和I have no word to say .哪个对 Say What You Say 歌词 you can say what you want to You always know what to say to What have you to say to that?