The leaders are expected to discuss a number of key issues, including European commitments on fighting climate change, ahead of a December climate change summit in Copenhagen.

VOA: standard.2009.10.27

Until we get, of course, this is early days, until we get to the Peloponnesian War when things change radically in fighting in general, but this is your standard. Yes sir?

当然这指的是早期,直到伯罗奔尼撒战争,才全面改写了战争规则,但你可把这当做一种标准时长,请讲

耶鲁公开课 - 古希腊历史简介课程节选