搜索引擎优化或者SEO本身就是是一个专业技术的领域，大多数的专业公司在他们的薪工单上都有一个SEO专家，当然也有专用的设计师。
Search Engine Optimization, or SEO is an area of expertise by itself, and most major companies have an SEO specialist on their own payrolls, as well as dedicated designers of course.
搜索引擎优化或者SEO本身就是是一个专业技术的领域，大多数的专业公司在他们的薪工单上都有一个SEO专家，当然也有专用的设计师。
Search Engine Optimization , or SEO is an area of expertise by itself, and most major companies have an SEO specialist on their own payrolls, as well as dedicated designers of course.
搜索引擎优化或者SEO本身就是是一个专业技术的领域，大多数的专业公司在他们的薪工单上都有一个SEO专家，当然也有专用的设计师。
Search Engine Optimization , or SEO is an area of expertise by itself, and most major companies have an SEO specialist on their own payrolls, as well as dedicated designers of course.
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