The hard-earned wealth and vital resources of the common people, accumulated through their diligent labor and sacrifices, often referred to when these are unjustly appropriated or exploited.
那位慈善家毕生致力于为贫困地区募集善款，他深知每一分钱都是捐助者的民脂民膏，必须用得其所，绝不能浪费或挪用。
The philanthropist dedicated his life to raising funds for impoverished areas, deeply understanding that every penny was the hard-earned wealth of the donors, and must be used appropriately, never wasted or misappropriated.
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