Sustainable development is not a slogan but a concept that must be practiced. We must keep the land forever vibrant.
可持續(xù)發(fā)展不是口號(hào)，而是必須踐行的理念，我們要讓土地永遠(yuǎn)充滿生機(jī)。
The joy of mathematics comes from the act of creation, not just the result.
時(shí)間是文學(xué)唯一的真正裁判。
唯一真正的智慧是知道你一無所知。