The digestive canal is a tube passing through the entire organism.
消化道是一条穿过整个生物体的管道。
You can say so much with pictures that you don't need to say in words.
每个程序都有（至少）两个目的：一个目的是为它编写的，另一个不是目的。
The best products are those that solve real problems.
Risk control is the lifeline of a bank.
你唯一应该努力超越的人就是昨天的自己。