The enjoyment of life, pleasure, is the natural object of all human efforts. Nature, however, also wants us to help one another to enjoy life. She's equally anxious for the welfare of every member of the species. So she tells us to make quite sure that we don't pursue our own interests __________________ other people's.
- ①at the discretion of
- ②at the mercy of
- ③at loose ends of
- ④at the expense of
선지를 골라 바로 채점해 보세요.
정답 ④
출처: 인사혁신처 공개 기출(공공데이터포털, 이용허락 제한 없음)