有趣的是,对于白人孩子来说,做黑人很酷,直到做黑人变得很难。
每一种东西的价格都会因时间和地点的不同而涨落;每一次这样的变化都会改变货币的购买力。
The most successful companies are those that adapt quickly to change.
The most valuable resource we extract isn't minerals—it's human potential.