这是因为在美国很多地方，公用事业部门仍然是垄断运营，在设备和技术方面控制着当地市场。

That's because utilities still operate as monopolies in much of the U.S., controlling the local market for equipment and technology.

youdao

这是因为在美国很多地方，公用事业部门仍然是垄断运营，在设备和技术方面控制着当地市场。

That's because utilities still operate as monopolies in much of the U.S., controlling the local market for equipment and technology.

youdao