应对不自由世界的唯一方法是变得如此绝对自由,以至于你的存在本身就是一种反抗。
The elements of consciousness are to be classified according to their properties.
The double helix structure of DNA is one of the most beautiful and elegant structures in all of science.
可持续发展应成为每家化工企业战略的核心,而不是事后才考虑的事。