这个短语 "两点差十五分" 指的是两个人或两个事物之间的差距。在英语中可以表达为 "a fifteen-point gap between two points"。
这个表达方式的来源可能是来自于数学或统计学中，常常使用分数或百分制来表示两个数值之间的差距。
例句：
There is a fifteen-point gap between the top two teams in the league. (在联赛中，前两名队伍之间有十五分的差距)
The new product has a fifteen-point advantage over its competitors. (新产品比竞争对手领先十五分)
The survey revealed a fifteen-point difference in satisfaction levels between the two groups. (调查显示，两组人之间满意度差十五分)