The total number of unique visitors to the site over the past seven days is shown.

这里显示了最近一个星期访问站点的用户总数（重复访问仍算作一位用户）。

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It takes about 100,000 unique visitors a month to generate an income of $75,000 a year.

每月唯一访问者达到10万左右才能实现年收入7.5万美元。

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One of them, called Bollywood Life, received 2m unique visitors within 90 days of launch.

其中之一，称作宝莱坞生活，在创办后90天内有200万来访者。

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Of course, tracking unique visitors does not give the full picture of a Web site's popularity.

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According to comScore, a Web tracking firm, the site had 44 million unique visitors in June.

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All in, the three sites attract about 180, 000 unique visitors per month, say Breyer and Heber.

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