chū / bǎn / shè / bǎ / xīn / shū / fēng / sān / de / shè / jì / gǎi / chéng / le / jiǎn / jié / de / lán / sè

出版社把新书封三的设计改成了简洁的蓝色。

The publisher changed the inside back cover design of the new book to a simple blue layout.