The shale revolution has transformed the U.S. into a global energy leader.
页岩革命将美国转变为全球能源领导者。
过去是一个异国;他们在那里做事的方式不同。
The beauty of mathematics lies in its ability to describe the universe in the most abstract terms.
Architecture must be inclusive, it must embrace everyone.
动力学的方程在用变分法的语言表达时是完全的。