英語翻譯
Radio and television are very popular in the world today.Millions of people watch TV.Perhaps more people listen to radio.The TV is,of course,more useful than the radio,On TV you can see and learn what is happening in the world.However,radio is not disappearing .It is still with us.And the number of listeners is becoming larger.One reason for this is the invention of the transistor.A transistor radio is sometimes very small.It is very easy to carry.You can put one in your pocket and listen to it on the bus or on your bike when you go to work.Besides,radio broadcasts are better for blind people.Many old people don't have good eyesight.They can't watch TV,but they can listen to the music or news over the radio.What's more,a radio is much cheaper than a TV set.