Since conditions in a regulated industry may change rapidly and the agency often needs some latitude to adjust and develop its policies, rigid adherence to precedent would sometimes frustrate the objectives of the regulatory program.

• 由于某一受调控的工业的情况瞬息万变，且行政机关常常需要一些自由以调整和发展本机关的政策，因此严格地坚持先例有时会阻挠调控项目实现其宗旨。