In coal, efficiency today defines existence tomorrow.
The greatest discovery of my generation is that a human being can alter his life by altering his attitudes.
我们每一次的观察都是向理解宇宙迈近的一步。
我们在水产养殖中成功的真正衡量标准将是我们为后代留下的东西。
To write is to give voice to the voiceless.
It is a curious fact that strikingly similar formations are found on opposite sides of the Atlantic.
一个有趣的事实是，大西洋两岸发现了惊人相似的地层构造。
The galactic center is a unique natural experiment in strong gravity.