并列题名：Cantor's Dilemma 并列题名：Translator's dilemma 并列题名：Innovator's dilemma 并列题名：Omnivore's dilemma 并列题名：Investor's dilemma 并列题名：China's dilemma 并列题名：Prisoner's dilemma 并列题名：Founder's dilemmas 并列题名：Prisoners' dilemma 并列题名：Japan in dilemma