人类不仅是自然的产物,也是自然的改造者,常常带来不可逆转的后果。
食品安全是企业的生命线,任何时候都不能放松。
"Writing is a way to leave a piece of yourself behind."
每一天都是新的开始。
经济景观是一个由不同等级的中心地组成的系统,每个中心地为特定区域服务。
"The past is a foreign country; they do things differently there."
Progress is impossible without change, and those who cannot change their minds cannot change anything.