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据统计,目前在全美国大约有1200万青少年上网,他们经常进入成年人无法进入的网站,且逗留的时间越来越长。用美国著名心理学家玛丽·埃文斯的话说:“如今,因特网几乎已成为
According to statistics, there are currently about 12 million adolescents online in the United States. They often access websites that adults can not access and stay longer and longer. In the words of the famous American psychologist Mary Evans: ”Nowadays, the Internet has almost become