我使用一个散列映射作为类属性，但是必须构造一个包含国家、地区和页面起点的键，见LoadCities方法。

I used a hash map as a class attribute, but had to construct a key that included the country, the region, and the page start, as shown in the LoadCities method.

youdao

我使用一个散列映射作为类属性，但是必须构造一个包含国家、地区和页面起点的键，见LoadCities方法。

I used a hash map as a class attribute, but had to construct a key that included the country, the region, and the page start, as shown in the LoadCities method.

youdao