因此，许多疾病是可以预防或治愈的。

As a result, many diseases can be prevented or cured.

youdao

80%的视力损害是可以避免或治愈的。

80% of all visual impairment can be avoided or cured.

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在全球范围，80%的视力损害可以得到预防或治愈。

Globally, 80% of all visual impairment can be prevented or cured. Areas of progress over the last 20 years include.

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How diseases spread, how they can be treated or cured, when they kill somebody.

病情如何蔓延,应该怎样治疗或治愈疾病,它们什么时候会置人于死地

耶鲁公开课 - 死亡课程节选