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Because of technological limits, there is a certain amount of food that we can produce per acre. If we were to have intensive greenhouse agriculture, we could have much higher production.
由于技术的限制，我们每英亩可以生产一定数量的食物。如果我们有集约化的温室农业，我们就能有更高的产量。
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16 种意境 · 9:16 竖屏 · 1440 × 2560 高清图片