可持续林业不仅仅是砍伐树木;它关乎我们星球的未来。
Sustainable forestry is not just about cutting trees; it's about ensuring the future of our planet.
The worst prison is not the one with walls and bars, but the one in our minds.
端正其义而不谋求私利,阐明其道而不计较功利。
要快乐,我必须拥有我的书和一片天空。
Competition regulates the rate of profit, and profit regulates the rate of accumulation.