可持续发展要求我们在经济增长和环境保护之间取得平衡。

The natural price of labor is that price which is necessary to enable the laborers, one with another, to subsist and to perpetuate their race, without either increase or diminution.

We're not interested in taking a substantial chance of taking a lot of very decent people back to 'Go' so we can have one more zero on our net worth.

光是理解世界的关键。