便

(1)being of use or service; "the girl felt motherly and useful"; "a useful job"; "a useful member of society"

(2)役に立つことまたは奉仕

(3)serving to promote your interest; "was merciful only when mercy was expedient"

(4)利益を増やすために役立つ

(5)easy to use; "a handy gadget"

(6)使いやすい

(7)suited to your comfort or purpose or needs; "a convenient excuse for not going"

(8)快適さまたは目的またはニーズに適している

(1)