But the United States is nonetheless joining its P5+1 partners in accepting the Iranian invitation, in order to test Iran's willingness to engage in meaningful talks on its nuclear program.

VOA: standard.2009.09.11

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。

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