The successful construction and clinical application of tissue-engineered skin TE skin mark the major breakthrough in treatment of skin defect.

组织工程皮肤的成功构建并应用于临床，标志着皮肤缺损治疗的重大突破。

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Bill invented the method of using a hot branding iron to permanently put the mark of a ranch on a cow's skin.

VOA: special.2011.06.11

Facebook CEO Mark Zuckerberg has the most skin in his particular game, controlling 29.3% of the Class A shares of the company he launched in his college dormitory room in 2004.

FORBES: Zuckerberg Appears To Buy More Of His Own Company (But Really Doesn't)

Do your skin lesions go away completely without leaving a bruise or a mark?

CNN: Hives and angioedema