cost
" "
[他] (A from B) (B からA)を推定する
[他] ①(費用)を要する,~がかかる ②~を犠牲にする [名] ③費用,犠牲
[名] 大混乱,混沌〈不可算〉
[名] 情報〈不可算〉
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