我们生产的每一块塑料都应该有明确的再利用或回收路径。
Every piece of plastic we produce should have a clear path to being reused or recycled.
现代化学家不满足于仅仅成为化合物的制造者；他必须是自然的解释者。
数学的美在于它允许我们从物理世界中抽象出来，专注于基本原理。
你必须有一个梦想，这样你才能在早上起床。
"Humor is the great thing, the saving thing. The minute it crops up, all our irritations and resentments slip away and a sunny spirit takes their place."
The future of drones lies in deep cultivation in vertical fields.