《世卫组织基本药物标准清单》的作用是什么？

What is the WHO Model List of Essential Medicines?

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从某些方面来看，安慰剂是理想的药物：他们通常没有副作用，而且基本上是免费的。

In certain ways, placebos are ideal drugs: they typically have no side effects and are essentially free.

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对于一种药物，副作用基本上是一个意想不到的出现，副作用的好坏取决于你怎么使用这个药物。

A side effect is basically an unintended occurrence that results from taking a drug. Side effects can be good or bad, depending on how you use the drug.

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