We are a little short of staff right now—someone quit recently—so things aren't getting reshelved as quickly as usual. I don't think they've hired a replacement yet, so, yeah, the unshelved books can get a bit out of hand.

我们现在有点缺人手，最近有员工离职了，所以没能像平常一样迅速把归还的书放到架子上。我觉得他们应该还没雇新员工，所以，是的，没有放回书架的书有点乱。