In this case, among certain consumer segments, such as those buying graduation gifts, it is likely that sales of calculators will be responsive to price changes for the digital clock, and vice versa.

在这种情况下，在一定的消费群中，如那些购买毕业礼物的人当中，数字表的价格变化就会对计算器的销售产生影响，反之亦然。