If you are a long time watching the screen,then your eyes will be easy to get myopic and sedentary is unhealthy.Lack of exercise time,you will be very healthy.
If you keep watching the screen for too long, you'll easily get short-sighted. Besides, sitting for too long is not good for your health. You'll be lack of exercising time and you'll become very unhealthy.
if you look at the screen for a long time,your eyes may easily get shortsight,and sedentariness is bad for your health.you will lack the exercising time which will lead to poor health. 希望帮到你咯! 望采纳!(*^__^*)
If you stare at the screen for a long time,you would become shortsighted easily.And it will do no good to your health,you will have no time for exercise, thus you will be unhealthy.