对于许多管理上的问题，立法机关既不能预见有关机构应采取的行动，也不能随着条件的改变而不断修正法定的指令。

For many regulatory problems, the legislature can neither foresee what actions the agency should take, nor constantly revise the statutory mandate as conditions change.

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与此同时，美国运输部已经下令要求航班乘客不要把Note % 7带上飞机，除非他们保持手机关机，而且在飞机上也不能对Note 7进行充电。

Thee US Department of Transportation meanwhile has ordered airline passengers not to bring the phones on planes unless they keep them turned off and don't charge them during the flight.

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