可持续性不是一种选择——它是我们星球未来的必需品。
我喜欢狗。你总是知道狗在想什么。它有四种情绪。快乐、悲伤、生气和专注。
The essence of a free government consists in an effectual control of rivalries.
优质工艺和道德生产可以共存;它们并不相互排斥。
It is common sense to take a method and try it. If it fails, admit it frankly and try another. But above all, try something.