Sep262017
mechanical placebo 机械安慰剂
Mechanical placebo1 refers to a device or object that appears to perform a specific function, but in fact does nothing at all.
“机械安慰剂”指的是看上去似乎能完成某种特定功能，但其实什么也做不成的装置或设备。
It is an impressive looking device or scheme, that in fact, does nothing.
“机械安慰剂”的外观给人印象深刻，但其实毫无用处。
“机械安慰剂”的典型例子是电梯关门按钮和一些人行横道的步行按钮。这些按钮也称为“安慰按钮”。
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