College students' tuition and lodging fee has become the main source of expenses for the school to maintain its running.

高校学生的学费和住宿费，已成为高校办学经费的主要来源。

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With funds dwindling, I realized I had miscalculated the cost of my lodging, and forgotten about the exit fee at the airport.

WSJ: Julia Stiles on Being Broke and Stranded in Havana | Traveler's Tale