柯林斯詞典blue-sky (also blue-skies) 1. N of or denoting theoretical research without regard to any future application of its result 表示“不考慮未來用途的理論研究” a blue-sky project 2. V to theorize (about something that may not lead to any practical application) 創(chuàng)建(不切實(shí)際的)理論 返回 blue-sky劍橋詞典using the imagination to think of ideas that do not yet have practical uses or make money 不切實(shí)際的；不賺錢的 blue-sky research 沒有實(shí)用價(jià)值的研究 blue-sky thinking 不切實(shí)際的想法 返回 blue-sky