The voice value-added services have experienced brilliance and low ebb since coming to China in 1990s.
语音增值业务在中国自上世纪九十年代产生以来，经历过辉煌也有过低谷。
But as there are many diverse types and the amount of user is very huge, the voice value-added services still have good market prospects.
但是由于其业务种类丰富多样、用户数量庞大，仍是一种具有良好市场前景的电信增值业务。
At present the domestic market of voice value -added services is in a serious homogenization of competition.
目前国内的语音增值业务市场存在严重的同质化竞争。
At present the domestic market of voice value -added services is in a serious homogenization of competition.
目前国内的语音增值业务市场存在严重的同质化竞争。
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