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I know that the university is divided into colleges. 
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https://www.topuniversities.com/where-to-study/europe/united-kingdom/oxbridge-explained - Oh, I see. Each college is about the size of a liberal arts college.
 
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Access - If you book the train a day in advance, it’s half price.
 
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Is there not much entertainment? - There are pubs and such.
- Well, London is only an hour away and it’s about $15, so it seems easy to go out.