The smart phone is one of the most important things today. Smart phones are small and people can put them in their pockets. Many people like to use it. The smart phone brings the (外表的，外部的) world to people's homes. Some people say the world is smaller (比) before because of it.
What's going on in other (国家)? How do people live in places (远的) away? Where is the (最令人放松的) place to go on holidays? Is it colder or (更温暖的) tomorrow ?How to feed pet dogs?
If you want to answer these questions, just use the smart phone. Even you can watch a program twice or (更多地) on it. People can also learn on the (电台，广播). But smart phone is much more convenient, it can give you some good (建议) .
Smart phone is such a good thing, (但是), too much TV is bad for eyes. Remember to protect your eyes while watching TV.
