1)Time-series variation,时间变动2)time variability,时间变动性3)Time change sequence,时间变动序列4)dynamic change with time,时间动态变化5)inconstant time discounting,变动时间贴现6)variable working hours,变动工作时间
用法例句
This result shows that horizon problem does exist in our data, which also partially supports the prediction of inconstant time discounting .