Is it true that the elevator close-door button is completely useless?
电梯的关门按钮真的是毫无用处的吗？
The door-close button in elevators, so often a placebo used to distract riders to whom ten seconds seems an eternity.
电梯里的关门按钮常常起心理安慰作用，好让那些连10秒钟都觉得漫长难捱的乘梯人分散注意力。
Close the landing door of the top floor, press the up or down button, check if they work well.
关闭顶层厅门，在轿顶点动操作上下行按钮，注意电梯运行方向，要与动作的按钮方向一致。
To close the landing door, press either floor button.
如要关上机门，就按下其中一个楼层按掣。
To close the landing door, press either floor button.
如要关上机门，就按下其中一个楼层按掣。
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