Of course, the input parameter contains the input message, or payload, from the original requestor, while the returned parameter contains the response from the provider.
当然，这个输入参数包含了来自于原始请求者的输入消息或负载，而返回参数则包含了来自于提供者的响应。
2
The symptom of this problem is that a complex data object that is sent as a parameter or returned as a response may be missing certain elements.
此问题的征兆就是：一个作为参数发送或作为响应返回的复杂数据对象丢失了某些元素。
3
This asset class is returned by a resource method as a response or can be passed in as a parameter.