可持续性不仅仅是一个选择,而是负责任企业前进的唯一途径。
Theoretically there is a perfect possibility of happiness: believing in the indestructible element within oneself, and not striving towards it.
The unexamined life is not worth living.
A shortage is a sign that somebody is keeping the price artificially lower than it would be if supply and demand were allowed to operate freely.