This user ID was registered in the internal file user registry as a prerequisite to this exercise (Figure 25).

这个用户ID已在内部文件用户注册表中注册，这是这个练习的一个先决条件(见图25)。

youdao

Now re-invoke this service with the input1 element set to a user ID not available in the internal file user registry.

现在，使用一个内部文件用户注册表中没有的用户ID重新调用这个服务。

youdao

Now re-invoke this service with the input1 element set to a user ID not available in the internal file user registry.

现在，使用一个内部文件用户注册表中没有的用户ID重新调用这个服务。

youdao