然而，人们不得不承认，在经济困难时期，大学有责任决定在何处省钱。
Nevertheless one is forced to recognize that in times of financial difficulty the university has a duty to decide where money can be saved.
处于这样的经济困难时期，许多青少年可能对自己在社会中扮演的角色感到困惑。
Such difficult economic times may leave many adolescents confused about their roles in society.
Sprint Nextel 重新设计了其 Virgin Mobile 品牌，以迎合经济困难时期重度依赖短信的用户的需求。
Sprint Nextel has reconceived its Virgin Mobile brand to cater to heavy texters in a difficult economy.
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