The American economy slowed in the second quarter of the year, expanding at an annual rate of 1.5 percent as the war with Iran upended prices, supply chains and energy markets. 美国经济在今年第二季度放缓，按年率计算仅增长1.5%，这主要是由于伊朗战争扰乱了价格、供应链和能源市场。 Oil prices have receded from…