To answer this question, US and Japanese policymakers should rely on the “calculus of participation,” which dictates that the first step in choosing whether to join an international initiative or regime is to consider the last step in the process: the outcome. In short, a country’s leaders should ask whether, ultimately, their country would be better or worse off.
要回答这个问题，美国和日本决策者应该依靠“参与的计算”，这一计算表明，选择是否加入一个国际计划或机制的第一步是考虑过程的最后一步：结果。简言之，一国领导人应该问一问，最终对他们的国家是有利还是有弊。