I know that I can always improve, no matter how good I get.
I think the greatest thing in life is to be able to give back.
我们的后代将创造令我们惊叹的成就,但其实只要我们的足够的想象力,他们会创造的部分东西,用今天的材料和工具就已经能实现了。所以,要想得更大一点。
Sustainable development requires us to balance economic growth with environmental protection.