原标题：杭州一头疯牛失控被民警开枪击毙
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）