underuse
🇺🇸
/ˌʌndərˈjuːs/
🇬🇧
/ˌʌndəˈjuːs/
using something less than necessary or expected
To prevent health issues, it's important to avoid the underuse of sunscreen.
為了防止健康問題,避免不足使用防曬霜是很重要的。