The process of aging and eventual death must finally be taken as the natural process of the life cycle, the old completing their limited life span and making way for the young.
人们必须接受衰老及最终辞世是人生周期的自然进程，老年人结束自己的寿命，为年轻人让位。
Aging is the neglected stepchild of the human life cycle.
衰老过程是人类生命周期中被忽视的非亲生儿。
In fact, this is not the case, the cell cycle, aging, immune failure cycle, but also lost the final immune tune the treatment of prostate confusion.
其实并非如此，细胞衰老周期、免疫衰竭周期，也是最终失去免疫调摄治疗的困惑。
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