The skin is comprised of several layers, and injuries, like paper cuts, etc... begin healing IMMEDIATELY from the inside out.

皮肤有好几层组成，而一些伤口，比如小伤口等，可以很快地从伤口内部开始愈合。

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Paper-cut is very popular among the Chinese people, who like to use paper-cuts to decorate their rooms and add more festivity to the special day such as weddings, birthday, etc.

剪纸是一项广受人们喜爱的民间艺术。无论日常生活、各种节日还是婚宴、寿宴等重要场合，人们都喜欢用剪纸来装点环境，烘托气氛。

youdao

The group prescribed several "finesse" cuts like slicing a grape in half or dicing a cardboard paper towel roll into as many slivers as possible, the way a chef slices an onion.

WSJ: World Championship Cutting Competition Features Knife-Wielding Experts