The world is a fine place and worth the fighting for.
今天我们必须负责任地开采煤炭,这样我们的孩子才能继承能源安全和健康的环境。
"I wonder how many people I've looked at all my life and never seen."
我是一个镜球,今晚我会向你展示自己的每一个版本。
The ultimate test of any economic theory is whether it improves real-world decisions.
"The boundary between the quantum and classical worlds is not as clear as we once thought."