Virtually all experts agree that the fee-for-service system—doctors are rewarded for the quantity of care rather than its quality or effectiveness—is a primary reason that the cost of care is so high.
The company, which has more than 20 million users, offers a free, advertising-supported version for consumers and a fee-based servicefor enterprise customers.
该公司现有用户超过2000万，为普通用户提供免费的广告支持版本，以及为企业客户提供付费服务。
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An example would be a metering service that was publicly available for a fee (see Resources).