損そん得とく勘かん定じょうそんとくかんじょうMeanings1nouncalculating profit and loss; mercenary thinkingOften used critically to describe a mindset that weighs everything by personal gain or loss, rather than literal accounting.彼かれはいつも損そん得とく勘かん定じょうで動うごくから、友とも達だちが少すくない