做试点也许有帮助，但解决不了效益成本比的问题。
Pilot projects might help but do not solve the cost-to-benefit problem.
综合心血管危险因素管理比单一危险因素管理更具成本效益。
Total CV risk management is much more cost-effective than single-risk-factor management.
现场的声音总是比语音更专业，而且非常具有成本效益。
A live voice is always more professional than voicemail and is very cost effective.
现场的声音总是比语音更专业，而且非常具有成本效益。
A live voice is always more professional than voicemail and is very cost effective.
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