种一棵树最好的时间是20年前,其次是现在。
The nation that destroys its soil destroys itself.
成功的衡量标准不仅仅是利润,还有我们留下的积极影响。
知识可以分享,智慧无法分享,它可以被发现,被体验。
The most sustainable building is the one that people love enough to maintain for generations.