提示：点击例句中的单词，就可以看到词义解释

That is a lot to pay for placebos .

也就是说人们为安慰剂支付了很多钱。

Placebos are often overlooked in medical studies .

许多医学研究常常忽略安慰剂的作用。

Placebos are still a scientific mystery .

安慰剂在科学上仍然是个谜。

Placebos are sometimes as effective as medication without the nasty side effects .

没有讨厌副作用的安慰剂有时和正常药品一样有效。

Besides being benchmarks , placebos are a topic of research in their own right .

除了作为对比的标准外，安慰剂本身就是一个研究主题。