When we obtained something, it means that we lose something else;
当我们得到某个东西的时候，就意味着我们在失去；
The output of our disconnected JoinRowSet object correctly parallels the data we obtained when we performed our server side database JOIN query (compare to Table 3).
非连接对象JoinRowSet的输出与我们在服务器端执行join查询得到的数据完全一致(与表3比较)。
Only when we have obtained sufficient information can we make the decision.
只有当我们获得了充分的信息才能做出决定。
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