常見(jiàn)例句For all books, this is the fictional country called Bookland, created for EAN compatibility and the numbers are always 978 or 979. 所有圖書(shū)，這種虛搆國(guó)家稱(chēng)爲(wèi)書(shū)國(guó)，用以EAN的兼容性，數(shù)字通常都是978或979。 返回 bookland