Postorder
[计] 后根次序
🗣️ 情景例句
How do you like our weather?
你喜欢我们这里的天气吗？
Politeness is to do and say the kindest thing in the kindest way.
文雅就是善良地做事，和善地说话。
It is not so easy as you think.
这事没有你想象的那么简单。