Pros : easy to use; lots of features; large user community

优点：易用；许多功能；较大的用户社区

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It does not have a large user base like Facebook; but this distributed approach is really promising!

它不像facebook那样拥有一个庞大的用户群，但是这种分布式的方案真的很有前途！

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A very popular free service with a large user base is Bloglines. Bloglines offers these features.

一种具有大量用户的非常流行的免费服务是Bloglines。

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CouchSurfing boasts a surprisingly large user base of three million people in 81, 000 cities.

FORBES: Non-Profit CouchSurfing Raises Millions In Funding

Paul Gelb, a Razorfish vice president, said he has been impressed with Tumblr's large user base and creativity.

WSJ: Tumblr's President Resigns

But so did MySpace, a pioneering social networking site that had established a large user base ahead of Facebook.

FORBES: Just How Much is Facebook Worth?