今天我们要学的词是 contract. Contract作为动词，有收缩的意思。
South Korea's central bank estimated that North Korea's economy contracted at the sharpest rate in two decades in 2017. 韩国中央银行估计，朝鲜2017年的经济出现了20年最大幅度的收缩。
Government statistics show Argentina's economy contracted 0.9 percent in April compared to the same month the year before. 政府的统计数字显示，阿根廷经济四月份同比收缩了0.9%。
好的，我们今天学习的词是contract, contract, contract ...
