Courage doesn't always roar. Sometimes courage is the quiet voice at the end of the day saying, "I will try again tomorrow."
勇气并不总是咆哮。有时候,勇气是一天结束时那个轻声说"明天我再试一次"的声音。
在减少排放的同时满足能源需求是我们这个时代的决定性挑战。