例句與造句

1. Most macroeconomic time series follow a stochastic trend, so that a temporary disturbance in, say, GDP has a long-lasting effect.
2. He finds that " Little or no attention has been paid to the statistical properties of the data used such as serial dependence or stochastic trends in time series and few tests of model adequacy have been carried out or presented.
3. It's difficult to find stochastic trend in a sentence. 用stochastic trend造句挺難的