But the big difference is that TFP in the Soviet Union actually fell by an annual average of 1% over 30 years to 1988.

但是（苏联和中国的）不同在于苏联的TFP在1988年前的30年里实际上下降到了年均1%左右。

youdao

But the big difference is that TFP in the Soviet Union actually fell by an annual average of 1% over 30 years to 1988.

但是（苏联和中国的）不同在于苏联的TFP在1988年前的30年里实际上下降到了年均1%左右。

youdao