When you stick rabbit ears on your TV set and pick up local stations for free, you are receiving broadcast television from local TV stations.
当您在家里摆弄电视机上面的天线并选台时，您实际上正在接收这些广播信号。
You can often pick up useful tips if you keep your ears open.
如果你留心细听，常常能获得一些有用的消息。
You can often pick up useful tips if you keep your ears open.
如果你留心细听，常常能获得一些有用的消息。
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