On a tiring afternoon I'll habitually monitor my odometer and do the math - 23 miles to go, two hours if the wind doesn't turn; I'll be in my motel by 5:15.

一个下午，疲劳的我习惯性的看了看我的里程表并计算了一下——还有23英里，如果风向不变的话应该需要两个小时。五点一刻的时候我将会到达预定的汽车旅馆。