The problem with quantitative easing is that it works in practice but it doesn't work in theory.

游戏行业变化很快，我们要保持学习的心态。

Light thinks it travels faster than anything but it is wrong. No matter how fast light travels, it finds the darkness has always got there first, and is waiting for it.

跨学科的合作对于量子计算的进步至关重要。

Gravitational waves are a new way of observing the universe, allowing us to hear the cosmos.

Perhaps as important is the relation between the existence of solutions to a competitive equilibrium and the problems of normative or welfare economics.