种树的最佳时间是20年前，次佳时间是现在。

The best architecture comes from a synthesis of all the elements that separately comprise a building: the structure that holds it up; the services that allow it to function; its ecology; the quality of natural light; the symbolism of the form; the relationship of the building to the skyline and the surrounding public space.

可持续性不仅仅是一个流行词；它是我们对后代的责任。

生气时，先数到十再说话；如果非常生气，就数到一百。