表面上，免费增值模式好像对两种情况均可：让用户使用你的产品，不用担心价格问题，然后再卖给增值服务。
On the surface, freemium seems like the best of both worlds: Get users to try your service without worrying about price, then up-sell them into the right premium plan later.
作为其中不可缺少的增值服务之一，纯软件录音系统的技术和市场现状尚存在不少问题，突出表现在技术不成熟，效率低下，因此导致此类市场产品极少且价格昂贵。
As a necessary increment service, pure-software record system has many problems in technique and market yet, such as immature technique, low efficiency, few product and high price.
负责向QA专员或主管反馈在增值服务过程中发现的任何产品质量问题。
Responsible for reporting to QA team any quality problem detected during VAS service.
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