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。

The door-close button in elevators, so often a placebo used to distract riders to whom ten seconds seems an eternity.

youdao

只有美国消防员和维修人员有密码或者特殊的钥匙时，他们才能按按钮加速关门的过程。

Only US firefighters and repairmen can use the buttons to speed up the door-closing process if they have a code or special keys.

youdao

只有美国消防员和维修人员有密码或者特殊的钥匙时，他们才能按按钮加速关门的过程。

Only US firefighters and repairmen can use the buttons to speed up the door-closing process if they have a code or special keys.

youdao