n. 生产力
Although not technically reforestation, agroforestry (a system of land use in which harvestable trees or shrubs are grown among or around crops or on pasture land, as a means of preserving or enhancing the productivity of the land) provides an opportunity for small-holder farmers to sustain their livelihoods while adding some forest cover to their farms.
六级 · CET-6 2026年6月 第2套
But as long as you have regular social contact, you are choosing solitude rather than being forced into it, you have at least a few good friends and your solitude is good for your well-being or productivity, there's no point agonising over how to fit a square personality into a round hole.
六级 · CET-6 2025年6月 第3套
As long as the economy is their priority, governments need go no further than ensuring citizens' continued productivity.
六级 · CET-6 2025年6月 第3套
That is: American inequality means that the gains of increasing productivity are not widely shared by everyone.
四级 · CET-4 2024年6月 第1套
For most Americans, then, the magic of increasing productivity stopped working around 1973.
四级 · CET-4 2024年6月 第1套