However,this is not the first time the mine has been used for science.

VOA: special.2009.07.21

This time, however, instead of setting quantities, instead of just deciding how much Coke and Pepsi to produce and spewing it out in the market and letting prices take care of themselves, this time the firms are going to set prices and let quantities take care of themselves.

这次不是规定产量,上次是确定,可口可乐和百事可乐的产量,运到市场上销售,并让价格自主的浮动,而这次,公司将要预先设定价格,并让产量自动调节

耶鲁公开课 - 博弈论课程节选

This time,however, there was no truce.

VOA: special.2009.05.07

There are indications,however, that this time the Pakistani army and government are thinking differently about the current offensive.

VOA: standard.2009.06.18