运营商、设备供应商以及投资者在经历过充满危机、令人沮丧的年头之后，不得不冷静地重新思考和评估过去的计划、策略和运营模式的效果。业界普遍认为，2002年的主要使命是“回收投资”。投资的原则应是“一步一个脚印”，即在没有获得回报之前，原则上不继续投入大量资金。他 Operators, equipment vendors, and investors have had to calmly rethink and assess the effectiveness of past plans, tactics, and operating models after years of frustrating and frustrating years. It is generally accepted by the industry that the main mission in 2002 was to “recover investment.” The principle of investment should be “step by step”, that is, in principle, do not continue to invest a lot of money until it is rewarded. he