求翻译：More and more teachers and parents have noticed another kind of pollution, (1) came from the printed papers sold on streets.是什么意思？

待解决

悬赏分：1 - 离问题结束还有

More and more teachers and parents have noticed another kind of pollution, (1) came from the printed papers sold on streets.

问题补充：

匿名	2013-05-23 12:21:38 null

匿名	2013-05-23 12:23:18 更多和更多的教师和家长都留意到另一类的污染,(1)来自印刷文件在街上出售。

匿名	2013-05-23 12:24:58

匿名	2013-05-23 12:26:38 越来越多的老师和家长注意到另外一种污染，（1）从印刷品到大街上卖了。

匿名	2013-05-23 12:28:18

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