0 It means you can do all of the things you need to do in one place. 02br 02br 00For example, your travel needs may include plane reservations, hotel booking, maps, travellers' checks, perhaps a new piece of luggage. 02br 02br 00It's a fixed expression, so don't try to change it to somethign like "one-door policy" (which is one I've never heard before).
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