And now maybe...now I've just heard that maybe one of those two recessions wasn't even a classic recession at all So the question is 1890 to 1945 on the one hand, 1983 to the present on the other, does that tell us that ? we've gotten better at government interventions?

那么现在也许。。。就你们刚才所说,其中一次所谓的衰退也许,根本不能算是典型的经济衰退了,那么问题在于，从1890年到1945年，以及1983年至今的经济状况，是否说明,政府对经济的干预是有利的？

斯坦福公开课 - 经济学课程节选

If you looked at the antibodies that were present in the blood, for example, you would find that most of those antibodies are IgM during this initial period of antibody concentration rise.

如果你现在观察血液中存在的抗体,举个例子,在初次免疫的抗体浓度上升阶段,你将会发现大部分的抗体都是IgM

耶鲁公开课 - 生物医学工程探索课程节选