His decision to speak out signals the importance the Fed puts on price pressures from abroad at a time when oil has hit record highs but domestically generated inflation pressures remain muted.

• 伯南克决定说出这番话，表明了在油价屡创新高、而国内引发的通胀压力仍然微弱之时，美联储对来自海外的物价压力的重视。