长期以来，在通常被笑称为象牙塔的高校里，孤立无援的学院派经济学家和历史学家通过争论此类问题勉强维生。
Academic economists and historians marooned in what is usually derided as their ivory tower have long made a frugal living out of debating such issues.
长期以来，在通常被笑称为象牙塔的高校里，孤立无援的学院派经济学家和历史学家通过争论此类问题勉强维生。
Academic economists and historians marooned in what is usually derided as their ivory tower have long made a frugal living out of debating such issues.
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