收音机与电视

Television is useful because we can see and hear what is happening in the world.

电视很有用，因为我们可以看到和听到世界上发生的事情。

Radio is still popular because it is easy to carry. You can listen on a bus or bike.

收音机仍很受欢迎，因为它便于携带。你可以在公交车或自行车上听。