A bed-room city意思是?

泛指里主要城市很近又很远的小城市或小镇：
近到多数人可以白天去城市里上班,晚上回镇上的家里睡觉（bedroom在这里体现）,因为小城市的房屋价格相对低廉
同时远得需要自己开车“commute”,所以也叫commuter town
A commuter town is an urban community that is primarily residential,from which most of the workforce commutes out to earn their livelihood.Many commuter towns act as suburbs of a nearby metropolis that workers travel to daily,and many suburbs are commuter towns.Commuter towns belong to the metropolitan area of a city,and a ring of commuter towns around an urban area is known as a commuter belt.
A commuter town may also be known as a bedroom community or "bedroom suburb" (Canada and U.S.usage),a dormitory town (UK Commonwealth and Ireland usage),or less commonly a dormitory village (UK Commonwealth and Ireland).These terms suggest that residents sleep in these neighborhoods,but normally work elsewhere; they also suggest that these communities have little commercial or industrial activity beyond a small amount of retail,oriented toward serving the residents.