margin of error

剑桥词典

an extra amount of something, such as time or money , that you allow because there might be a mistake in your calculations
（時間、金錢等方麪的）誤差幅度，誤差數
When archaeologists date objects that are thousands of years old , they allow a margin of error of several hundred years . 考古學家在測定有數千年歷史的物躰的年代時，會允許有幾百年的誤差。
The British government estimates that its borrowing requirement this year could reach £150 billion , subject to a wide margin of error . 政府預計今年借款將達1500億英鎊，此數額會有較大誤差。 返回 margin of error