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1. This remote-controlled car is very easy to operate.
这辆遥控汽车非常容易操作。
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2. The remote-controlled door can be opened by pressing a button on the remote control.
通过遥控器上的按钮可以打开遥控门。
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3. The remote-controlled door was designed for convenience and safety.
遥控门的设计是为了方便和安全。