Subtracting the 40 % or so of those numbers that come from direct sales (mostly in textbooks and children's books), the remaining 20,000-some books are those that you or I might pick up in a bookstore.
其中扣除以直銷、直營等方式銷售的 4 成左右書籍（以教科書及兒童讀物為主），剩下的 2 萬多種新書，便是你我平常在書店中看到的。