Examples
chéng成yǐn瘾hé和guò dù过度shì是liǎng两huí回shì事。
成瘾和过度是两回事。
Getting addicted to something and having too much of something are two different things.
确实有网瘾这回事。
There really is such a thing as Internet addiction.
真希望自己能把烟瘾戒掉。
I wish I could break the habit of smoking.