But a business is not supposed to keep books this way. It is supposed to use the concept of accrual accounting.

但一家企业并不能以这种方法记账，而是应该使用权责发生制。

youdao

I love books because they help me keep up with things I need to know for my profession.

我爱书，因为它们帮助我跟上我的职业需要知道的事情。

youdao

People who lend you books expect you to keep them clean.

借给你书的人希望你保持书的干净。

youdao

As they did Tuesday, traders were asked to keep trading books open Wednesday after the close so excess orders could be filled and confirmed.

FORBES: Agita On Wall Street

The letter also mentions loaning the book out, which could mean he felt a need to keep his books clean for other readers (this is perhaps a more persuasive argument).

FORBES: A Library Thomas Jefferson Would Love

Mr. McMurtry plans to keep close to 100, 000 books on the shelves of Booked Up, which will remain open.

WSJ: Author Larry McMurtry Sets Auction of 300,000 Books