✔ 最佳答案
Before the telephone was invented, letter writing is the only form of communication. And after the telephone was invented and popularly used, people are not satisfied with that because it’s not portable, then the mobile phone was invented.
It’s not convenient to communicate information in the early years, because in that time, we can only use letters and telegraph.
Because of cost factors, it took a long time before the telephone became popular.
There’s an inconvenience with the telephone because you can’t bring it with you, especially for the VIPs; they want to use it everywhere they go. And through years of endeavors and experiments, the mobile phone was finally invented by the smart people.
With the advance of technology, more and more functions are moving onto mobile phones – such as watching TV (看電視已包含看新聞啊!), shopping, data searching, Google Positioning, home appliance remote control, etc. It’s almost that everyone has a smart phone and everyone’s lifestyle has been involved in the smart phone.
Though mobile phones bring us convenience, it also has side effects; that is, a lot people constantly leaning over the mobile phones, which causes a lot of accidents.
If everyone knows how to properly use a mobile phone, be free from over-dependence on it, that’ll make our society more successful.
