Mobile-phone charges used to be very expensive because there was only Singapore Telecom providing the service (monopoly).
流动电话的收费一度非常昂贵，因为只有新电信提供这项（垄断）服务。
Mobile-phone charges used to be very expensive because there was only Singapore Telecom providing the service (monopoly).
流动电话的收费一度非常昂贵，因为只有新电信提供这项（垄断）服务。
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