However, the students had not heard of Nelson Mandel

然而，学生并没有听说过纳尔逊·曼德拉（Nelson Mandela）

Mandel is not of course to blame for this lack of an analytical framework.

当然,不能因为曼德尔缺乏一个分析框架,而来责备他.

At the same time, Moreno's opposition to Mandel's opportunism was ex-pressed crudely.

在同一时间内，莫雷诺对蔓德尔机会主义的反对被粗略地表达出来。

We don't know how it turned out but we were so glad to see the spectacle. (Photo and caption by Steve Mandel)

不知道结局如何，但我们很高兴能看到这个景象。

One reason, writes the economist Michael Mandel, is that America no longer enjoys the economic fruits of its innovations for as long as it used to.

经济学家迈克尔·曼德尔写到，其中一个原因是美国不再像过去一样享受自己的创新所带来的经济成果。