其中一个最好的特点，这既方便携带的应用是：它是完全免费服务。
One of the best features of this handy and portable application is that it is totally free.
难以相信《时报》在这样一个流量巨大的网站上所获取的广告收入还不够维持完全免费的服务开销。
It's hard to believe that The Times cannot reap enough advertising dollars from a highly trafficked site to maintain a completely free service.
他们完全免费的服务允许我们从阅读器中导入opml文件，然后是简单的对喜好的指定主题的关键词过滤。
Their completely free service allows for the import of an OPML file from your reader of choice, followed by simple keyword filtering for any specific topics that are to your liking.
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