介绍阿联时唱的那首歌叫什么?

艾薇儿的 who knows
http://mp3.baidu.com/m?tn=baidump3&ct=134217728&lm=-1&word=Who+Knows&t=2

Yeah, yeah
Yeah-eah, yeah
Yeah-eah, yeah

Why do look so familiar
I could swear that I have seen your face before

I think I like that you seem sincere
I think I like to get to know you a little bit more

[Chorus]
I think there's something more, life's worth living for
Who knows what could happen.
Do what you do, just keep on laughing
One thing's true, there's always a brand new day
I'm gonna live today like it's my last day

Yeah, yeah,
Yeah-eah, yeah,
Yeah-eah, yeah

How do you always have an opinion
And how do you always find the best way to compromise
We don't need to have a reason
We do