Research shows that there are, in fact, two distinct types of aging.

研究显示现实中存在两种截然不同的衰老方式。

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This sorry state of affairs is creating two types of guys: those who, filled with insecurity, battle to whip their aging muscles into something resembling definition, and those who, in the face of an impossible task, just give up.

WSJ: Hollywood's New Arms Race: Actors With Muscles