translation.en: Imagine transporting a collection of clinical psychopaths across central London in shackles and handcuffs in rush hour, and in order to place each of them in an MRI scanner, you have to remove all metal objects, including shackles and handcuffs, and, as I learned, all body piercings.
translation.zh: 想象一下 在伦敦的上下班高峰期 运送一群带着手铐脚链的 精神病患者们， 为了让他们躺在核磁共振扫描仪上， 你得去除他们身上所有的金属物， 包括手铐脚链， 以及所有身上的穿环，这也是我才知道的。