你会发现偶尔会有一些敏锐的人，他们会注意到琥珀出现在相邻的一组灯上。
You will find the occasional sharpie who watches for the amber to come up on the adjacent set of lights.
如果要在一个两房一厅的家居（约四路灯，三组灯制） 安装自动化灯光系统，你认为那个价格比较合理?。
What price you think is reasonable to install an automation lighting control system in a household with two rooms and a sitting room (around 4 gangs of light and 3 sets of light switch)?
例如，比较一下在一组交通灯前的英国司机和巴西司机。
Compare, for example, an English driver at a set of traffic lights with a Brazilian.
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