奇怪了，我的导出文件如下：没出现你所说的空格呀。
Name~Capital~Continent~Area~Population~
Argentina~Buenos Aires~South America~2777815~32300003~
Bolivia~La Paz~South America~1098575~7300000~
Brazil~Brasilia~South America~8511196~150400000~
Canada~Ottawa~North America~9976147~26500000~
Chile~Santiago~South America~756943~13200000~
Colombia~Bagota~South America~1138907~33000000~
Cuba~Havana~North America~114524~10600000~
Ecuador~Quito~South America~455502~10600000~
El Salvador~San Salvador~North America~20865~5300000~
Guyana~Georgetown~South America~214969~800000~
Jamaica~Kingston~North America~11424~2500000~
Mexico~Mexico City~North America~1967180~88600000~
Nicaragua~Managua~North America~139000~3900000~
Paraguay~Asuncion~South America~406576~4660000~
Peru~Lima~South America~1285215~21600000~
United States of America~Washington~North America~9363130~249200000~
Uruguay~Montevideo~South America~176140~3002000~
Venezuela~Caracas~South America~912047~19700000~
