And we do this all for free, living only for the love of our own code.

我们做这些都是免费的，是出于对自己代码的热爱。

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Open-source developers, for instance, are widely believed mostly to be volunteers who just love writing code.

例如开源代码开发者普遍相信大多数志愿者仅仅是喜欢编写代码。

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Using the right tag for the job is essential, and search engines love semantic code.

——在工作中适用正确的标签能帮助你提高效率，而且搜索引擎偏好有意义的代码。

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