When CareerSite’s agent sends out messages to those who have signed up for its service, for example, it includes only three potential jobs — those it considers the best matches.

　　①Some sites design their agents to tempt job hunters to return.

　　②When CareerSite’s agent sends out messages to those who have signed up for its service, for example, it includes only three potential jobs — those it considers the best matches.

　　③There may be more matches in the database; job hunters will have to visit the site again to find them -- and they do.

　　④“On the day after we send our messages, we see a sharp increase in our traffic,” says Seth Peets, vice president of marketing for CareerSite.

　　参考译文：

　　①(论点：总)一些网站设计他们的代理来吸引求职者回访。

　　②(具体：分1)例如，当职业网站的代理向那些注册了它的服务的人发送信息时，它只包括三个潜在的工作——那些它认为是最.好的匹配。

　　③(并列：分2)数据库中可能有更多的匹配项，求职者将不得不再次访问这个网站来找到他们——他们确实这么做了。

　　④(具体：分3)职业网站的市场副总裁赛斯·皮茨说:“在我们发送信息的第二天，我们的流量就会急剧增加。”