His silk umbrella he had set by the door on entering.

进门时他把丝绸伞放在门边。

You are just as likely to have one on the day after you have come into a large fortune as on the day after you have left your new silk umbrella in the train.

在你发了一大笔钱之后的第二天和你把新丝绸雨伞忘在火车上之后的第二天，你得到一把的可能性是一样的。