有机体本质上是对环境刺激的被动反应者。
The organism is essentially a passive responder to environmental stimuli.
Sustainability isn't an option—it's a necessity for the future of dairy farming.
我写关于我生活的歌,而我的生活相当普通。
God loves man's lamp-lights better than his own great stars。
Legal rules are not commands but rather standards of conduct.