The dead are not dead. They are alive in memory.
死者并未死去。他们在记忆中活着。
Leadership in forestry means making tough decisions today for a better tomorrow.
仅靠技术无法拯救我们——重要的是我们如何应用它。
The most valuable hydrocarbon molecule is the one we don't need to burn.
学习某事的最好方法就是去教它。