These events can be things like timers, signals, data ready for reading on a file descriptor, and so on.
这些事件可以是诸如计时器，信号，文件描述符上预备读取的数据，等等。
For, as Bacon claims, while reading makes a full man, it takes conversation to make him a ready man and writing an exact one.
因为，正如培根所言，虽然阅读造就一个完人，但谈话才能使他敏捷，写作才能使他精确。
This step is extremely important: it provides consumers with information that cannot be understood from simply reading the WSDL deployed by the business when the services are ready for use.
该步骤非常的重要：它向客户提供了在服务可用时，不能够通过简单地阅读由商家部署的WSDL就能够被理解的信息。
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