<blowing in the wind>这首歌

blowing in the wind -katie melua
How many roads must a man walk down
Before you call him a man
Yes, and how many seas must a white dove sail
Before she sleeps in the sand

Yes, and how many times must the cannon balls fly
Before they're forever banned
The answer, my friend, is blowin', is blowin'
The answer is blowin' in the wind

Yes, and how many times must a man look up
Before he can see the sky
Yes, and how many ears must one man have
Before he can hear people cry

Yes, and how many deaths will it take till he knows
That too many people have died
The answer, my friend, is blowin', is blowin'
The answer is blowin' in the wind

Yes, and how many years can a mountain exist
Before it's washed to the sea
Yes, and how many years can some people exist
Before they're allowed to be free

Yes, and how many times can a man tu