并列题名：Studies on paradoxes Studies on paradoxes 并列题名：Studies on Marxism 并列题名：Studies on pedagogy 并列题名：Poison paradox 并列题名：Parallels and paradoxes 并列题名：Wisdom paradox 并列题名：Design paradox 并列题名：Easterlin paradox 并列题名：10 moral paradoxes