Every piece of plastic we produce should have a clear path to reuse or recycling.
語(yǔ)言不僅僅是交流的工具，更是精準(zhǔn)的武器。
The world is full of stories, but the stories are all one.
One cannot think well, love well, sleep well, if one has not dined well.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
Imagination is the key to understanding the world.