Licensees are free to create derivative works of open source software and are free to distribute those works without payment of royalties to a licensor.

被许可方可以自由地创建开放源码软件的派生作品，并可以自由发布这些作品，无需向许可方支付版税。

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Michael: H.264 is free to distribute video but encoding and transcoding is not free; that still requires the payment of licensing fees.

Michael： h . 264对于发布视频来说是免费的，但编码与转换却是收费的；在这种情况下我们仍然需要支付专利费。

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Payment under their contracts is based on other criteria, such as the free flow of traffic or the percentage of uncontested fines.

根据他们的合约，报酬是基于其他标准的，例如车辆畅通无阻，或是无异议罚款的百分比。

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After all, sports organizations tend to get a lot of work for free, often using barter as a principle means of payment.

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Both forms of payment are tax-free for domestic shareholders.

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In practice, however, in America, where such patents are routinely granted, companies have allowed free use of their inventions for research purposes, demanding payment only if commercial use is made of them.

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