制革厂的废物流比任何使命宣言都更清晰地讲述其道德故事。
The internet is a tool that can be used for good or bad, and it's up to us to decide how we use it.
虚心和实腹的义理都很深奥,但首先要通过虚心才能认识本心。
Sustainability isn't just an option; it's our responsibility to future generations.