A story is a letter that the author writes to himself, to tell himself things that he would be unable to discover otherwise.
世界建立在化学之上,而我们才刚刚开始理解它是如何构建的。
统计学家不能推卸责任,必须清楚地理解科学推断的原则。
We must mine coal responsibly today so that our children inherit both energy security and a healthy environment.