Nowadays,mobile phones become more and more popular ,especially among young people.Mobile phone is very convinent in our daily life.We can use it to contact with our friends and family.However,there are also some disadvantages of using it.For example,mobile phone ringtone might annoy people sometimes,especially when they're talking with others.So sometimes we had better turn off(这个不太确定是不是用turn off.) our phones in public.
So it's polite for us to care for other's feelings and control our behavior. Nowadays,mobile phones become more and more popular ,especially among young people.Mobile phone is very convinent in our daily life.We can use it to contact with our friends and family.However,there are also some disadvantages of using it.For example,mobile phone ringtone might annoy people sometimes,especially when they're talking with others.So sometimes we had better turn off(这个不太确定是不是用turn off.) our phones in public.
So it's polite for us to care for other's feelings and control our behavior.