"Every time Americans debate the problem of states' rights, the relationship of federal power to state power -- which we are indeed having a roiling debate again -- and every time we debate not only race relations, but the very idea of what it means to be an American, multi-racial,greatly diverse society, we are debating the direct legacies of the Civil War."

VOA: special.2011.04.09

I just want to emphasize one more time, that the overwhelming normal situation is the first one I described, friendly relations.

我想再强调一遍,正如我最初所说的,两者之间大多情况下都是友好关系

耶鲁公开课 - 古希腊历史简介课程节选

And it came at a time of uncertainty in relations between the United States and Japan.

VOA: standard.2009.11.13

The terrorism attempt comes at a bad time for U.S.-Pakistani relations.

VOA: standard.2010.05.06