The model books for Chinese paintings are the important teaching materials as well as the patterns for the artistic creation of Chinese painters.

中国画谱是中国绘画教学的重要教材，也是中国画家艺术创作的一种样式。

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Amazon is trying to get publishers to commit to a different model for selling books.

FORBES: Apple Signs Up Another Publisher For Its iBookstore

Apple has locked in another publisher to use its pricing model for selling e-books, Motoko Rich and Brad Stone at the NYT reports.

FORBES: Apple Signs Up Another Publisher For Its iBookstore

This suggests Amazon will have to sell Perseus Books using the agency model.

FORBES: Apple Signs Up Another Publisher For Its iBookstore