THE ANSWER IS BLOWING IN THE WIND

图片来自网络，侵必删。
本文为瑞鹤视角。
本文可配合鲍勃•迪伦的《随风而逝》食用。
（当然我在文中也有引用其歌词）
（包括题目）
内含大量历史片段。
How many roads must a man walk down
Before you call him a man?
How many seas must a white dove sail
Before she sleeps in this sand?
How many times must the cannon balls fly
Before they're forever banned?
The answer, my friend, is blowing' in the wind.
The answer is blowing' in the wind.