随意的

(1)possible but not necessary; left to personal choice

(2)可能であるが、必要でない

(3)個人の選択に任せられる

(4)of your own free will or design; done by choice; not forced or compelled; "man is a voluntary agent"; "participation was voluntary"; "voluntary manslaughter"; "voluntary generosity in times of disaster"; "voluntary social workers"; "a voluntary confession"

(5)自分の自由意思または計画で

(6)選択によってなされる

(7)強制されないか、または強いられる

(1)