A better bet would be for the firm to charge corporate users for premium services.

公司有个更好的选择，就是向企业用户收取增值服务费。

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This makes it hard for operators to build brand loyalty, let alone sell premium services.

如此一来，运营商就很难让客户建立起品牌忠诚度，更不用说向他们推销额外的收费服务了。

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The operator gets involved only in delivering the premium services, such as video-on-demand.

而运营商唯一要考虑的就是怎样才能经营好像自选影片这样额外收费的服务。

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But premium services like custom wallpaper, decorative themes and online games are also taking off.

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The latter offers free contact management features, but Oracle plans to add premium services for a monthly fee.

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It also plans to offer premium services, such as the printing of photobooks documenting the progress of a relationship.

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