产出

output; yield; production; productivity

投入

invest; put into; throw into; plunge into; immerse; engage; commit; devote; input; infuse; inject; sink; pitch in with; launch oneself into; investment; involvement; commitment; devotion; immersion; engagement; injection; devoted; committed; engaged; enthusiastic; absorbed; engrossed; immersed; involved

比率

ratio; rate; proportion; scale; percentage