respective , several , each
Dear Ilka, Your intriguing problem has not, as far as I know, been explored by economists before, although it has been discussed by artists.
亲爱的伊卡尔，据我所知，之前还没有经济学家研究过你提出的这个有趣的问题，但艺术家却有过这类讨论。
youdao
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