The light was fading, and with it, the warmth of the day.

The most important skill for an economist is the ability to think clearly about trade-offs.

为了完整地展示这个图表，我确实需要一个四倍空间的屏幕。然而，由于政府支出的削减，我们只能带给一个两倍空间的屏幕。