例句：
And if you wait till then, by the time you get the futon, it might be all over.
并且如果你等到那时，在你买一个蒲团之前，一切可能都结束了。
By the time he came out to talk to them, the shadows were long and cool.
等到他出来给他们讲课时，树影已经很长，树荫下很凉爽了。
By the time I get the books out of Storage and over to Environmental it’s after five.
等到我从仓储处那里找出书，送到环保处的时候，已经过了五点了。
They were fearing the worst by the time he called after six days in the hospital.
等到他在医院过了六天后给家人打电话时，家人已经担心到了极点。
By the time I sit down and face the blank page I am raring to go.
等到我坐下来面对一张白纸，我已经迫不及待地想要动笔了。