Wordiyousefulness
🇬🇧 UK/'juːsf(ʊ)lnəs/🇺🇸 US/'ju:sfjlnis/
A1
Definitions
n.
The quality of being practical and beneficial; the degree to which something serves a purpose.
有用性；实用性
The quality of being practical and beneficial; the degree to which something serves a purpose.
有用性；实用性