Therefore, updated trade statistics will probably indicate that the number of televisions Borodia imports annually from Vernland has increased. 所以了,进口的television多了,总的卖出的不变the number of televisions sold annually in Borodia has not changed.(原文中说了) 那么要用到装配工(assemblers)去装配television的数量就减少了三(简单的数学关系) However, recent statistics show a droip in the number of television assemblers the number of television needed to be assembled = the number of assembler workers × the average time 前提就是 C the average time 不变 |