求一首经典英文歌的歌词。

a是Bob Dylan的blowin' in the wind
Bob Dylan

How many roads Must a man walk down Before they call him a man ?一个男人要走过多少路才能被称为男人？
How many seas Must a white dove sail Before she can sleep in the sand ?一只白鸽要航过多少海洋才能在沙中沉睡？
And how many times Must the cannonballs fly Before they're ever banned ?那些炮弹要飞过多少次才能被永远的禁止?

The answer, my friend 答案,我的朋友
Is blowin' in the wind 是在风中吹舞
The answer is blowin' in the wind答案是在风中吹舞

How many years Must a mountain exist Before it is washed to the sea ?一座山要存在多久才能被洗入大海?
And how many years Can some people exist Before they're allowed to be free ?然而一些人要存在多久才能被允许自由?
How many times Can a man turn his head And pretend that he just doesn't see ?一个人可以转过多少次头假装他看不见?

The answer, my friend 答案,我的朋友
Is blowin' in the wind 是在风中吹舞
The answer is blowin' in the wind 答案是在风中吹舞

How many times Must a man look up Before he can see the sky ?