Training makes workers highly productive.

培训提高了工人们的生产力。

More productive farmers have been able to provide cheaper food.

农民提高产量就能使食物更加便宜。

...fertile and productive soils.

肥沃高产的土地

He was hopeful that the next round of talks would also be productive.

他对下一轮会谈同样富有成效满怀希望。

I was sorry he had left, although I soon developed a productive relationship with his successors.

虽然我很快就和他的继任者建立了良好的关系，但是我仍然对他的离开感到遗憾。

Land, labor and capital are all productive of wealth.

土地、劳动和资本都能创造财富。