事情在完成之前总是看起来不可能。
A shortage is a sign that somebody is keeping the price artificially lower than it would be if supply and demand were allowed to operate freely.
用户要的不是技术,用户要的是更好的体验。
每个行为都有它的乐趣和它的代价。
历史不是一条直线;它螺旋上升,将我们困在其循环中,直到我们直面它的幽灵。