Although this library was open to everyone, all readers had to pay a membership or subscription fee in order to borrow books.

虽然这个图书馆对所有人开放，但所有读者都必须支付会员费或订阅费才能借书。

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The company gains revenue from subscription fees, sales of virtual items and licensing its content for products such as books.

该公司通过收取会员费、虚拟物品销售以及图书等产品内容的授权而获得收入。

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It books the revenue from each iPhone over 24 months because the phones are sold as part of a subscription through AT&T (T) and other carriers.

它记录24个月中每部iPhone带来的收入，因为手机是作为AT&T和其他运营商用户预订服务的一部份进行销售。

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Klingel is trying to land younger subscribers by stuffing subscription cards in phone books, catalogs and small-town Sunday newspapers.

FORBES: Old Dog, New Tricks

This is a revenue opportunity for virtual schools and specialized portals that offer everything from free advice, reading lists, worksheets, books and CD-ROMs to subscription K-12 packages.

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Educational and professional publishers have long seen the value of the subscription model for professional education (see: Safari Books Online, for one).

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