This idea has the virtue of simplicity, though some experts question its effects and call for a greater degree of differentiation, arguing that time online by itself is not a bad thing and it all depends on what you are doing.
这个想法具有简单这一优点,尽管一些专家质疑它的影响,并呼吁进行更大程度的区分,认为上网时间本身并不是一件坏事,而这一切都取决于你正在做什么。
"though"引导完整分句,对主句内容作让步补充,因此属于让步状语从句。