The shutdown of the physical retail operation had a deleterious impact on retail sales which fell by almost 44% over the prior year, however those who put more effort behind e-commerce marketing fared much better. 实体零售店的关闭给零售业销售造成了不良影响，零售额比去年下降了近44％，但是那些加强电子商务营销努力的商家要好得多。

 

好的，我们今天学习的词是 deleterious, deleterious, deleterious ...