Mathematics is the art of giving the same name to different things.
我对扮演同一个角色两次不感兴趣。
Hard work, under the old system, meant long hours, little rest, and poor pay. Under the new system, it means a fair day's work for a fair day's pay.
Passion is the fuel that keeps you moving forward.
Sustainable forestry is not just about cutting trees; it's about ensuring the future of our planet.