Another FDA formal rulemaking dealing with vitamin supplements was an even longer exercise in futility. 另一个毫无益处的食品和药物管理局的涉及维他命补充的正式规则制定时间拖得更久。
Against the background of this experience, the Supreme Court's reluctance to conclude that an ambiguous statute required formal rulemaking is understandable. 在这样一种经验的背景下，最高法院不愿制定模棱两可的法规要求正式规则制定的结论是可以理解的。
