有无yǒuwúTop 10000Meanings1. to have or have not2. surplus and shortfall3. tangible and intangible4. corporeal and incorporealCharacters used有to have无notExamples1检点jiǎndiǎn一下yīxià工具gōngjù，看kàn有无yǒuwú丢失diūshī。Check the tools and see if anything is missing.