家用 jiāyòng home-use
home-use; domestic; family expenses; housekeeping money
How to remember 家用: 家 home + 用 to use (Kangxi radical 101) = home-use.
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How it is used
- Two uses: as an adjective, for home use - 家用电器 (jiāyòng diànqì) household appliances.
- As a noun, household living expenses / housekeeping money - 补贴家用 (bǔtiē jiāyòng) to help cover household costs.
- Distinguish 家用 (domestic/home-use) from 商用 (commercial use) when describing products.