translation.en: We can do this because tumor blood vessels are unlike normal, healthy vessels we see in other places of the body -- they're abnormal, they're very poorly constructed, and because of that, they're highly vulnerable to treatments that target them.
translation.zh: 我们能这么做是因为 肿瘤血管不同于我们在人体其他地方看到的， 正常健康的血管。 它们不正常， 它们结构不良， 正因于此，它们对于 我们的治疗手段特别敏感。