Re: (the?) Taipei Train Station/ Youth Park
#1 is fine if there is one train station in Taipei.
Originally Posted by sitifan
#2 is possible if the speaker is referring to one (previously mentioned) of several train stations in Taipei.
#3 could be possible if the place he stayed is called 'Youth Park'.
#4 is possible if if there are parks, known as 'youth parks' (without capital letters) set aside for young people, and he stayed in one that has already been mentioned.
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