As a small example, many of us have experienced the change in driving behavior that comes from having a real time display of mileage showing precisely how one's driving habits affect the vehicle's efficiency.
比如一个小例子，我们中的许多人都有过这样的经历 通过一个可以精确显示码表的实时演示 显示出了驾驶习惯对于汽车能效的影响 可以改变实验者的驾驶习惯