Menstruation may cease when a woman is anywhere between forty-five and fifty years of age.
月经可能在女性45至50岁之间停止。
By then he was more than fifty years of age.
到那时，他已经五十多岁了。
Fifty years ago, nearly 100 percent of men that age were working.
50年前，这个年龄段的男性几乎100%都在工作。
Fifty years ago, nearly 100 percent of men that age were working.
50年前，这个年龄段的男性几乎100%都在工作。
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