Selecting from an external table reads the data from the data file(s) and provides it in the form of rows and columns as if it was read from the normal base table.
从外部表选择可从一个或多个数据文件读取数据，并以行和列的形式提供该数据，就好像从常规基表读取数据一样。
Travel may also be on your agenda, and getting away from your normal base would be very good for your spirit now.
旅行或许也被提上日程了，这段时间里，离开你惯常所在的地方对于你的精神方面是很好的。
Travel may also be on your agenda, and getting away from your normal base would be very good for your spirit now.
旅行或许也被提上日程了，这段时间里，离开你惯常所在的地方对于你的精神方面是很好的。
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