那本地图分别包含了美国五十州的地图，而每州较大的城市又有较小的插页地图。
That book of maps contains separate maps for all 50 states, and there will be smaller inset maps for all of the larger cities in each state.
那本地图分别包含了美国五十州的地图，而每州较大的城市又有较小的插页地图。
That book of maps contains separate maps for all 50 states, and there will be smaller inset maps for all of the larger cities in each state.
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