可持续林业不仅仅是砍伐树木，更是确保未来有森林可供珍惜。

"The past is a foreign country; they do things differently there."

Luck has nothing to do with it, because I have spent many, many hours, countless hours, on the court working for my one moment in time.

心理学家必须是一个中立的观察者。

一个组织的系统质量决定了其流程质量。