Chinese girls and young women are being pressured by a bizarre social media fad into proving that their diet-toned midriffs are no wider than a piece of A4 paper.

中国的年轻女性受到社交媒体奇葩潮流的驱使，正纷纷（晒图）证明自己腰腹的宽度不超过一张A4纸。