Sustainable fishing is not an option; it's the only way forward if we want to preserve marine ecosystems.
The true measure of a forest's worth isn't in board feet of timber, but in centuries of ecological balance.
最成功的公司是那些能够适应不断变化的市场条件的公司。
想让小孩子在旅行中表现良好,可以准备一袋他们喜欢的糖果,当他/她不乖时,就向窗外扔掉一块糖。