ap·pro·pri·ate·ness
noun/əˈprəʊpriətnəs/
/əˈprəʊpriətnəs/
[uncountable]- the quality of being suitable, acceptable or correct for the particular circumstances
合适的；恰当的 - He questioned the appropriateness of their methods.
他质疑他们的方法是否合适。
- He questioned the appropriateness of their methods.