英语语法分析

The unmarketable products surplus mean?

产品滞销商品过剩意味什么？

Publishing house; Library; Unmarketable books; book marketing.

出版社；图书馆；滞销书；图书营销。

They do little damage to the plant itself, but they make fruit and vegetable unmarketable.

它们对植物本身的伤害很小，却让水果和蔬菜卖不出去。