Today, however, Pingdom launched a free version of its service. The free service offers all the features of Pingdom's paid accounts, though users are limited to monitoring just one website or server.
不过，Pingdom今天发布了免费版服务，免费版具有所有付费服务的功能，但用户只能监视一个网站或服务器。
Today, however, Pingdom launched a free version of its service. The free service offers all the features of Pingdom's paid accounts, though users are limited to monitoring just one website or server.
不过，Pingdom今天发布了免费版服务，免费版具有所有付费服务的功能，但用户只能监视一个网站或服务器。
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