Translation of "Addiction" in Chinese

There really is such a thing as Internet addiction.

确实有网瘾这回事。

People “diagnosed” with “Internet addiction” are nearly always diagnosed with other difficulties as well.

诊断患有“网络成瘾症”的人差不多总是也有其他的困难。

The concept of “Internet addiction” implies that “the Internet” is some sort of definable activity.

“网络成瘾症”这个理念将意味着“网络”是一种可以下定义的活动。