To indicate a preference or an opinion by leaving or entering a particular locale:用行动选择：用离开或进入一个特定地点的方式来表示选择或意见："If older cities are allowed to decay and contract, can citizens who vote with their feet . . . hope to find better conditions anywhere else?”(Melinda Beck)“如果老城被允许崩溃并且缩小，用行动选择的公民能希望在别处找到更好的环境吗?”(梅琳达·贝克)