市场竞争促进了电信技术的进步，电信业务资费的下降和服务的提高。
Market competition advanced the technology of telecom, declined the price of telecom and improved the telecom service.
市场竞争促进了电信技术的进步，电信业务资费的下降和服务的提高。
Market competition advanced the technology of telecom, declined the price of telecom and improved the telecom service.
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