Usually, article submission service is more expensive.
通常，文章递交服务更为昂贵。
And article submission is one of the most effective long term strategies.
文章并提出，是一个最有效的长期战略。
Therefore you can get backlinks and traffic from an article submission website.
因此，你可以从一个文章提交网站的反向链接和流量。
Therefore you can get backlinks and traffic from an article submission website.
因此，你可以从一个文章提交网站的反向链接和流量。
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