A depressed patient may get some relief from a placebo.抑郁症患者的病情有可能从安慰剂中得到一些缓解。

The therapeutic effect of visiting a spa is not just a placebo, nor the power of suggestion.水疗的疗效并不只有安慰作用, 也不是心理暗示。

Some traffic lights are placebos, designed to make pedestrians feel as if they're influencing the lights.有些交通信号灯具有安抚作用, 目的是使行人感觉自己能对信号灯产生影响。