顾名思义，此方法会调用AWS，并将传进的isbn号所代表的图书信息返回。

As the name suggests, this method calls AWS and returns information about the book represented by the ISBN number passed in.

youdao

顾名思义，此方法会调用AWS，并将传进的isbn号所代表的图书信息返回。

As the name suggests, this method calls AWS and returns information about the book represented by the ISBN number passed in.

youdao