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

布鲁斯说他们的理念是，人们不要自私的把书放在家里的书架上吸灰。

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

布鲁斯说他们的理念是，人们不要自私的把书放在家里的书架上吸灰。

youdao