这条可疑的链接原来是来自TripAdvisor的法国网站，但是在TripAdvisor.com或者TripAdvisor其它的国家站点是不允许添加链接的。
It turns out that the link in question came from the French TripAdvisor site yet posting links on the .com or other TripAdvisor country sites is forbidden.
导出链接会提高网站在搜索引擎中的排名，在文章中链接到其它相关站点对读者们是有用的，也有一些轶趣的证据来支持这种理论。
Export link will improve your site's ranking in search engines, in the article links to other related sites are useful to the readers, there are some interesting evidence Yi supports this theory.
它们可以包含一个或者更多的对于其它的站点或者域名的链接。
They can contain one or more links to other websites or domains.
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