(1)効率的に
(2)効果的に
(3)with efficiency; in an efficient manner; "he functions efficiently"
さらに詳しく
(1)効果がない方法で
(2)in an ineffective manner; "he dealt with the problem rather ineffectively"
(1)効率の悪い方法で
(2)in an inefficient manner; "he dealt inefficiently with the crisis"
