没有人富有到可以赎回自己的过去。
The most exciting aspect of chemistry is the ability to create new molecules that have never existed before.
如果一种教义不是费解的,它就必须是含糊的,如果它既不费解也不含糊,它就必须是无法验证的。
Globalization is not an option but a necessity; Chinese companies must go global.
采矿技术不是为了取代人,而是为了让他们能够做得更好。