原标题：AI模型估算数千万美国人可能正饮用受污染的地下水In the 21st century, U.S. election costs have risen with each cycle. America may appear to follow the “one person, one vote,” rule, but in reality, it is more like “one dollar, one vote,” concealing issues like political donations, money-for-power deals, and an unchecked “revolving door” between government and private sectors.(Yang Xin）
