The supply of oil can be shut off unexpectedly at any time, and in any case, the oil wells will all run dry in thrty years or so at the present rate of use.
石油供应可能会随时意外中断；不管怎样，以目前这种消费速度，只需30年左右，所有的油井都会枯竭。
2
Of all the men in the survey, they rate themselves the least fun-loving and the most responsible.
在所有参与调查的人中，他们认为自己是最不喜欢玩乐而最负责任的人。
《柯林斯英汉双解大词典》
3
The rate of change is escalating in virtually all organizations.