设计不仅仅是关于外观，更是关于功能。
Design is not just about how something looks, but how it works.
畜牧业的未来在于平衡生产力与道德责任。
The environment is everything that isn't me.
Every organism is in a struggle for existence.
A program without a loop and a structured variable isn't worth writing.
一本书可以是一个朋友、一位老师和通往另一个世界的门。