This approach has unquestionably worked for millions of addicts, but if the studies of perfectionists are any guide it has undermined the efforts of many others.

• 毫无疑问的，这条准则在数以万计的瘾君子身上凑效了，但是如果对完美主义者的研究却是破坏许多其他的成果的一个引导呢？