在家：早上起床后或外出回家时，只需一键，就可以自动关闭报警系统、打开窗帘、打开必要的电器电源等。 。
At home: wake up in the morning or out of home, just a key to shut down automatically alarmsystem, open the curtain, open the necessary electric power supply.
例如，如果你要设计一个图标，告诉用户它切换或关闭，形成你会选择：在一个汽车点火锁在墙上，或一键灯开关吗？
For example, if you were to design an icon which tells the user it switches something on or off, which form would you chose: a light switch on the wall, or a key in an ignition lock of a car?
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