英文: Optimism is an intellectual choice.
中文: 乐观是明智的选择。英文: The reasonfor Mysterious Optimism could base on Utilitarianism. If Mysterious Optimism makes you feel better, why not?
中文: 神秘乐观不是也一样超越理性吗?李天命说得出神秘乐观而不是神秘悲观的理由吗?英文: They professed optimism about the outcome.
中文: 他们对结果表示乐观.英文: He professed optimism about the future.
中文: 他声称对未来乐观。英文: I would caution against undue optimism.
中文: 我奉劝不要过於乐观.