A sustainable forest is one that supports both wildlife and livelihoods.
Sometimes, the wicked will tell us things just to confuse us–to haunt our thoughts long after we've faced them.
我总是对每一个机会心怀感激。
机器人是一种被编程执行多种任务的设备，并且可以重新编程以执行其他任务。
The key to successful market design is anticipating how participants will behave under different rules.
我们开采的每一桶石油都必须以最小的环境影响负责任地进行。
Literature is the memory of humanity.
"Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful."