translation.en: For example, insufficient angiogenesis -- not enough blood vessels -- leads to wounds that don't heal, heart attacks, legs without circulation, death from stroke, nerve damage.
translation.zh: 比如，血管新生不足， 没有足够的血管， 会引起伤不能愈合，心脏病发作， 腿部没有血液循环，中风死亡， 神经受损。