因此，研究国内移动通信运营商的竞争战略也变得十分必要。

So, it is essential to research the competitive strategy of domestic mobile communication industry.

youdao

因此，研究国内移动通信运营商的竞争战略也变得十分必要。

So, it is essential to research the competitive strategy of domestic mobile communication industry.

youdao