You might create an ad hoc network with many readers monitoring hundreds of tag sensors spread out across tens of square miles. 你可以利用多个读取机建立一个随意网络，在数十平方公里的范围内，监测数百个标签感应器。
In each city we can expect a big increase in financial regulation, not to mention ad hoc government interventions, adding to the cost and unpredictability of doing business. 预计两座城市都将加强金融监管，更不用提政府随意的干预，从而增加了在这两座城市做生意的成本和不可预测性。
美
