他还讨论了在潜在新许可耗尽后，通过维修和服务费用持续获得收益的技术。
He also discusses techniques for establishing recurring revenues via maintenance and service fees, after the pool of potential new licensees dries up.
他还讨论了在潜在新许可耗尽后，通过维修和服务费用持续获得收益的技术。
He also discusses techniques for establishing recurring revenues via maintenance and service fees, after the pool of potential new licensees dries up.
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