In the current epidemic situation, online learning is indispensable as it also helps us absorb lessons in class during the epidemic situation, which is the only way we can learn but also causes a problem. number of things are not good . If we sit too much and look at the computer screen, the phone can cause myopia, bone and joint problems such as back pain, fatigue, fatigue. When learning them online we can lose concentration , not pay attention to study and absorb her lectures less . The internet connection can be faulty making us late to class and do not understand the lesson. There are websites on the internet that lead to us not doing according to our ability, but looking online to do it will make us learn poorly. go a lot. Those are the facts, the disadvantage in online learning, we should walk outside to breathe in the air during every break in class to help our eyes relax without causing eye fatigue and health problems. impaired

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Nowadays, the mobile phone plays a major role in our lives, which brings many benefits to us but also contains some drawbacks. Both these sides will discussed in this essay.

Generally, the mobile phone will certainly bring about a lot of advantages. First of all, the mobile phone is considered the quickest means of communication in our daily life, we can contact easily with our friends and our relative wherever by calling or sending messages. Second, the mobile phone is also a means of entertainment for people. We can listen to music and play games on mobile phone. Moreover, by using the latest apps for smartphone , we can access to the internet to watch Film and check our profile in social networks and update our status wherver we are. Final, If we have a smartphone in hand, our studying.