手机是现代社会人们必不可少的电子产品。我们可以用手机打电话、发短信、上网、听音乐、看电影等等。但是，如果使用不当，手机也会对我们的生活带来负面影响。因此，我们需要合理使用手机，避免沉迷于手机，保护我们的眼睛和身体健康。

Translation:

Mobile phone is an essential electronic product for people in modern society. We can use it to make phone calls, send messages, surf the Internet, listen to music, watch movies and so on. However, if we use it improperly, it may have negative impacts on our lives. Therefore, we need to use mobile phones properly, avoid addiction to mobile phones, and protect our eyes and physical health.