We must mine coal responsibly today so that our children inherit both energy security and a healthy environment.
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。
积极心理学不是一项观赏性运动
To see a world in a grain of sand, and a heaven in a wild flower, hold infinity in the palm of your hand, and eternity in an hour.