天然气是通往更清洁能源未来的桥梁,但我们必须负责任地跨越这座桥梁。
You should write, first of all, to please yourself. You shouldn't care a damn about anybody else at all.
可持续性不是一种选择,而是必须——如果我们想在养活不断增长的人口的同时不破坏地球的话。