1、The material basis of its produce was the third technological revolution and the productivity revolution.
2、What is harder to establish is whether the productivity revolution that businessmen assume they are presiding over is for real.
3、Farmers have presided over a productivity revolution with the help of Embrapa, a government-funded research corporation.
4、Since no one foresaw the productivity revolution of the mid-1990s, these predictions could prove too pessimistic.
