The supply of oil can be shutoff 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
So often we shutoff our sixth sense.
我们经常是关闭我们的第六感。
3
So often we shutoff our sixth sense. It often knows where we should go and what we should do.