仅在最近的两周中，预防医学的两个台柱子不幸倒掉了。
In just the last two months, two pillars of preventive medicine fell.
20年前出生的人今天成了大学生，20年前的大学生今天人过中年成了单位里的台柱子。
The person that is born 20 years ago became an undergraduate today, the undergraduate 20 years ago the person is too middleaged today became the pillar in the unit.
20年前出生的人今天成了大学生，20年前的大学生今天人过中年成了单位里的台柱子。
The person that is born 20 years ago became an undergraduate today, the undergraduate 20 years ago the person is too middleaged today became the pillar in the unit.
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