Pilot projects might help but do not solve the cost-to-benefit problem.
做试点也许有帮助，但解决不了效益成本比的问题。
The problem of cost is too difficult to solve.
成本问题的解决太难了。
CATV broadband access technology can show us a high cost-effective scheme to solve this problem.
CATV宽带接入技术为解决这一问题提供了一个性价比高的方案。
CATV broadband access technology can show us a high cost-effective scheme to solve this problem.
CATV宽带接入技术为解决这一问题提供了一个性价比高的方案。
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