by choice
出于自己的選擇
by choice
adj : not by chance [syn: by choice(p)]
adv : with intention; in an intentional manner; "he used that word
intentionally"; "I did this by choice" [syn: intentionally,
deliberately, designedly, on purpose, purposely,
advisedly, by design] [ant: by chance, unintentionally,
unintentionally]