| ประโยคภาษาจีน : 中文句子 | 
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|  tā他  yāo qiú要求  shì yàn zhě试验者  jì lù记录  měi cì每次  pái biàn排便  de的  yòng shí用时  tóng shí同时  yǐ以  cóng从  yì dào nán易到难  yòng用  sì gè四个  děng jí等级  píng gū suǒ评估所  xū需  lì qi力气 | 
| He asked his subjects to record how long each bowel movement took and rate the effort required on a four-point scale ranging from effortless to difficult. |