But it costs money," The report comes in the lead up to the December meeting of the Copenhagen Climate Change Conference, to agree on a new climate pact before the end of the Kyoto Protocol in 2012.

VOA: standard.2009.09.01

You guys are going to be playing games among each other today and until whatever it is?-- december 7, whatever is the end of term.

你们每天都要进行博弈一直到,十二月七日,期末的时候

耶鲁公开课 - 博弈论课程节选

You guys are going to be playing games among each other today and until whatever it is?-- december 7, whatever is the end of term.

你们每天都要进行博弈一直到,十二月七日,期末的时候

耶鲁公开课 - 博弈论课程节选