器官移植的可怕约束是，一个人生命的延长要依赖于另一个足够年轻、健康的人的死亡，因为只有这些人身上才有值得移植的器官。
The terrible constraint on organ transplantation is that every life extended depends on the death of someone young enough and healthy enough to have organs worth transplanting.
淀粉样变的症状和体征并不一致，依赖于病变所累及的器官，当淀粉样变症状很明显时，患者可能有以下表现
Signs and symptoms of amyloidosis depend on which of your organs are affected. When signs and symptoms are evident, they may include
偶然性在进化中确实存在（例如，偶然性的突变可以产生新的特征），但是进化并不依赖偶然性来产生新的器官、蛋白质或其他实体。
Chance plays a part in evolution (for example, in the randommutations that can give rise to new traits), but evolution does notdepend on chance to create organisms, proteins or other entities.
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