The agents on all the legs then send a 'Fetch' request to their respective remote sources to get a block of data from the result of the query on that leg.
然后，所有分支上的代理发送一个'Fetch '请求到相应的远程数据源，以便从那个分支上的查询得到的结果中获得一块数据。
You can't expect me to fetch and carry for you all day! Hang on your own uniform!
你不能指望我整天伺候你！自己把校服挂上去！ …
You can't expect me to fetch and carry for you all day! Hang on your own uniform!
你不能指望我整天伺候你！自己把校服挂上去！ …
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