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信息发布者：
Computers have difficulties making ethical decisions and many people will lose their jobs.
Yes. Because they are convenient.
Smartphones are very popular in daily life. They bring many conveniences. We can surf the
Internet, read news and get information anytime. We can listen to music, watch movies, play
games and shop online easily. They help us keep in touch with friends via social media and
take online courses to learn knowledge. However, problems exist. Using them too long harms
health, and some students pay too much attention, affecting study. In my opinion, we should
use smartphones properly to make them helpful.
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