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。
I like to think of mathematics as a kind of poetry.
我没有信仰原则,如果你没注意到的话。
The quality of your life is determined by the quality of your relationships.