In recent years policymakers have worried that inflation expectations would become " unanchored" : that a long period of high inflation would lead both households and firms to expect more price rises in future.

近年来， 政策制定者一直担心通胀预期会变得“不稳定”：长期的高通胀将导致家庭和企业预期未来价格会进一步上涨。