1. There are musty old books.
    这儿有一些发霉的旧书.

2. There is always hope that in its labyrinth of musty, dark, disordered rooms a real rarity will be found amongst the piles of assorted junk that litter the floors.
    人们还常常有希望在发霉、阴暗、杂乱无章、迷宫般的店堂里，从杂乱地摆放在地面上的、一堆堆各式各样的破烂货里找到一件稀世珍品。