They were more like the release valve.

它们更像是释放阀。

But if America does come close to overheating, then a reluctance to spend elsewhere may be less irksome than usual, as demand-starved countries serve as a release valve for the pressure building up at home.

但如果美国经济真的接近过热，那么不愿在其他地方消费可能不会像往常那样令人讨厌，因为需求匮乏的国家充当了释放国内积聚的压力的阀门。

Meanwhile the price cap, says an American Treasury official, would act as a " release valve" , keeping the global market in balance by letting developing countries buy Russian oil at a discount.

与此同时，一位美国财政部官员表示，价格上限将起到“释放阀”的作用，让发展中国家以折扣价购买俄罗斯石油，从而保持全球市场的平衡。