Treatments are often expensive. In order to get financial compensation from the government, the families had to prove that thimerosal in vaccines caused autism in their children.

VOA: standard.2010.03.23

And each proposes to Socrates a test that he will have to pass in order to prove the value of justice and the just life.

每一个建议对苏格拉底都是一次必需通过的测试,以证明,正义与公正人生的价值。

耶鲁公开课 - 政治哲学导论课程节选