"The U.S.data should remind us that this recovery is not likely to be V-shaped It seems to me that we are going to see rising unemployment for a long time yet,"

VOA: standard.2009.08.05

There you see continuity for a very, very long time.

在那里你可以发现时间跨度有很长的连续性

耶鲁公开课 - 古希腊历史简介课程节选