Students must not only pay the normal university course tuition, but they must cover the cost for airfare,local transportation, housing,food,tickets and, of course,souvenirs.

VOA: standard.2010.02.26

What should we open course do to either encourage or facilitate local adaptations of materials.

我们应该怎么做,才能使这些材料适用于那些地方。

麻省理工公开课 - 媒体、教育、市场课程节选

Of course there are lots of states that would have maybe local pockets of one substance in excess and another substance in excess somewhere else In other words, there would be lots of states nearby to the equilibrium state.

当然，我们有很多的态,这些态中，某些位置被一种气体完全占据,另外一些位置被另一种气体完全占据,换句话说,在平衡态附近有很多的态。

麻省理工公开课 - 热力学与动力学课程节选

"President Zardari's troops are risking their lives courageously fighting extremists as we speak, a vital task which of course has had an impact on human beings and their local communities many of whom have been displaced as a result,"

VOA: standard.2009.05.13