"We have seen some diminution." But even if the U.S.economy is losing jobs at a slower pace than half a year ago, the overall unemployment picture remains bleak, according to Stuart Hoffman, chief economist at PNC Financial Services Group.

VOA: standard.2009.07.02

If it moved slower than the first one, it means it's rammed into this one.

如果它运动的比第一个慢,那么它就会撞上这个物体

耶鲁公开课 - 基础物理课程节选