optimismKK [ˋɑptəˏmɪzəm] /ˈɑptəˌmɪzəm/發音名詞1樂觀、樂觀態度There is cautious optimism about the company's sales next year.對於公司明年的銷售,大家抱持謹慎的樂觀態度。2樂觀、樂天Her natural optimism helped the whole team through a difficult month.她天生的樂觀幫助整個團隊度過艱難的一個月。3樂觀主義哲學The philosopher defended optimism against critics who saw only suffering.這位哲學家為樂觀主義辯護,反駁那些只看見苦難的批評者。