In round numbers, overbuilding, overstaffing and inflation each added $2bn to Amazon's costs in the first quarter, year on year, driving it into the red.

从整数来看，过度建设、人员过剩和通货膨胀在第一季度都使亚马逊的成本同比增加了 20 亿美元， 导致其出现亏损。