Keep a book in your purse or car.

在你的钱包或车里放一本书。

This is a place where you could keep a book if you read at night before you go to bed.

如果您在晚上睡觉前阅读， 这里是您可以放书的地方。

Bruce Pederson says the idea is for people not to be selfish by keeping a book to gather dust on a shelf at home.

布鲁斯·佩德森说，这个想法是为了让不要人们自私地把书放在家里的书架上积灰。