Has this generalization proved to be true for the cell phone industry? Why? How do the various pricing plans try to overcome the underutilization of capacity?

• 究竟这个说法能不能准确应用在手机的市场呢？为什么？我们应该怎样利用不同的标价/定价策略来克服这个问题（未能充分利用资源）呢？