I do have some all-purpose stuff which is - oh, that's a stain remover, that's something else.
我确实有一些万能的东西— — 哦，那是去污剂， 那是别的东西。
英语百科
Stain removal
（重定向自Stain remover）
Stain removal is the process of removing a mark or spot left by one substance on a specific surface like a fabric. A solvent or detergent is generally used to conduct stain removal and many of these are available over the counter.