We'll enlarge the samples in the following study and conduct some follow-up studies to the severe ones of Internet addictions to try to find out the mental mechanism of Internet addiction.

我们在后续的研究中将会扩大样本容量，对一些网络成瘾程度严重的个体进行跟踪研究，力图探明网络成瘾这一复杂概念的心理机制。

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Meanwhile, studies compiled by various government health agencies show that the five most-chronicled "hard" addictions--alcohol, drugs, tobacco, gambling and eating disorders--are what society truly pays for.

FORBES: The Most Expensive Addictions