The most valuable of all talents is that of never using two words when one will do.

爱是试图理解对方。

Precision agriculture is not a luxury; it's a necessity for feeding the world sustainably.

里氏替换原则是面向对象编程中的一个基本概念，它指出子类的对象应该能够替换超类的对象而不影响程序的正确性。

The founders of a new colony, whatever Utopia of human virtue and happiness they might originally project, have invariably recognized it among their earliest practical necessities to allot a portion of the virgin soil as a cemetery, and another portion as the site of a prison.