市场永远在变，唯有坚持品质才能立于不败之地。
The minimum content of natural law is necessary for any legal system.
可持续性不是一种选择，而是能源未来的必然要求。
Education is not just about building schools, but about ensuring children actually learn.
可持续性不再是一个选项；它是一个商业必须。
The best way to predict the future of our forests is to create it.
人们不买你做什么，他们买你为什么做。