为使应用程序具有最佳的性能，特别是在经常调用这个服务器进程的情况下，您不应该每次创建一个新的文档并在完成使用时删除它。
For best performance of your application, particularly if this server process is called often, you should not create a new parameter document each time and delete it when done.
从这些例子中，我们能发现一个共同的前提假设：工业化进程，被推到了极限后，便能生产出医治自身的最佳良药。
In each of these cases, one sees the same assumption brought into play: the industrial process, pushed to its limit, generates its own best medicine.
第一种方法明显是不可取的，因为作为一般的最佳实践，如果可以的话，最好避免以root身份运行任何进程。
The first approach is obviously undesirable because, as a general best practice, it is best to avoid running any process as root if it can be avoided.
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