采矿效率来自于持续改进,而不仅仅是重大突破。
I don't try to predict the market. I just try to buy stocks that are cheap and hold them for the long term.
化学是一门一直贴近我内心的科学,我以喜悦和热情将一生奉献给了它。
To imagine is everything, to know is nothing at all.