back order

中文含义：缺货，出现供应不足而无法立即交货的情况

英语词性：noun

美式发音：/ˈbæk ˌɔrdər/

同义词：out of stock, unavailable, sold out

易混淆单词：backlog, which refers to a large amount of work or orders that need to be completed in order

例句：

  • Sorry, that item is currently on back order and won’t be available for another two weeks.
  • The company had to issue a back order for the popular product due to unexpected demand.