Every program is a part of some other program and rarely fits.

教育的根是苦的，但其果实是甜的。

可持续林业不仅仅是砍伐树木；它关乎我们星球的未来。

The best way to find yourself is to lose yourself in the service of others.

你必须由传教士而不是雇佣兵来管理。