"How many minutes difference" 或 "What is the difference in minutes" 都可以用来询问差多少分钟。
来源： 这是一个通用的询问短时间差的句型，有时也可以询问时间差异。
例句：
"What is the difference in minutes between the two train schedules?" (两趟火车时刻表之间有多少分钟的时间差？)
"How many minutes difference is there between the two meeting times?" (两次会议之间有多少分钟的时间差？)