Enduring peace cannot be bought at the cost of other people's freedom.
Every song has a life of its own.
Every song tells a story.
If you want to understand function, study structure.
想让小孩子在旅行中表现良好，可以准备一袋他们喜欢的糖果，当他/她不乖时，就向窗外扔掉一块糖。