林业创新必须在经济增长与生态保护之间取得平衡。
I went to the woods because I wished to live deliberately. I wanted to live deep and suck out all the marrow of life, to put to rout all that was not life.
我不会逃避过去,只是不再随身携带它。
Mathematics is the language in which the gods talk to people.
The past is a source of knowledge, and the future is a source of hope. Love of the past implies faith in the future.
游戏不仅仅是娱乐,它是一种文化的表达和情感的传递。