In a state, the liberty of one citizen is a menace to the liberty of another.
Every discovery in physics opens a door to a new mystery, and that is the beauty of science.
我们试图建造能回应环境的建筑,而不是支配它。
企业要履行社会责任,在保障能源供应的同时,推动环境保护和可持续发展。