Their attention span lasted only as long as it took the dessert carts to visit their tables
问题描述：
Their attention span lasted only as long as it took the dessert carts to visit their tables
怎么翻译?span
答
span是跨度的意思,attention span 是 注意力的持续时间
cart 就是小推车
it took the dessert carts to visit their table 是指等待甜点小车到来的时间
整句的意思就是
他们的注意力只在甜点小车没到达前集中了一会.（到了就开始吃了）