一个测量可用的常识：手臂伸直两测指尖的距离就是你的身高。
Handy measure: the distance between your fingertips of your outstretched arms at shoulder level is your height.
语出（南宋）崔敦礼《刍言》。自以为聪明的人，其实并不聪明；自以为能干的人，其实并不能干。
"I think the best writing comes from a place of deep emotional truth."