I sometimes feel that if only politicians and civil servants had a “Ladybird Book of Randomised Policy Trials”, they'd understand why such trials were a brilliantly simple way for Whitehall to do more good, less harm and save money.
有时，我认为，倘若政界人士和公务员有一本《Ladybird随机政策试验手册》(Ladybird Book of Randomised Policy Trials)的话，他们就会明白，要让英国政府多做好事、少做坏事以及省钱，这样的试验提供了一种多么简单的方法。
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