成功投资的关键是以低于其内在价值的价格买入股票。
The key to successful investing is to buy stocks at a discount to their intrinsic value.
A 1% improvement in efficiency could mean the difference between life and death.
Some people are extraordinarily good at knowing the limits of their knowledge because they have to be.
激发生命，让生命自由发展，这是教育者的首要任务。
In oil and gas, efficiency and responsibility must go hand in hand.
The history of life is a history of change.