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
（时间、金钱等方面的）误差幅度，误差数
When archaeologists date objects that are thousands of years old , they allow a margin of error of several hundred years . 考古学家在测定有数千年历史的物体的年代时，会允许有几百年的误差。
The British government estimates that its borrowing requirement this year could reach £150 billion , subject to a wide margin of error . 政府预计今年借款将达1500亿英镑，此数额会有较大误差。 返回 margin of error