The best songs come from personal experiences.
I don't know where the limits are, but I would like to go there.
种一棵树最好的时间是20年前,其次是现在。
健全的外交政策的首要条件是对自己价值观的清晰认识。
最好的解决方案往往来自倾听不同的观点并找到共同点。