We could use the context object to obtain the calling request, look for the named parameter "operand", obtain its URI and issue a sub-request for that resource.

我们可以使用上下文对象来获得调用的请求，寻找命名参数“operand”，获得其uri并对该资源发出一个子请求。

youdao

We could use the context object to obtain the calling request, look for the named parameter "operand", obtain its URI and issue a sub-request for that resource.

我们可以使用上下文对象来获得调用的请求，寻找命名参数“operand”，获得其uri并对该资源发出一个子请求。

youdao