So as somebody who has pretty close to the world record of total number of hours spent inside an MRI scanner, I can tell you that one of the skills that's really important for MRI research is bladder control.
作为一个已经接近 在MRI扫描仪内待的时间的世界纪录的人 我能告诉你，MRI研究中其中一个 重要的技巧就是 憋尿的本领。