Since the new tree was unable to reproduce naturally, caretakers amputated some of its limbs and grafted them onto other citrus trees to produce more of the desirable fruit.

不过问题是它们没法自然繁殖，于是有心人就截取了部分枝条嫁接到其他橙树上，希望生产出更多美味水果。

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They are expensive to produce but cheap to reproduce and distribute, and therefore exhibit strong economies of scale with incentives to an over-supply.

它们的生产成本高昂，但再生产和销售的成本低廉，因而展现出强大的规模经济效益，并容易诱发供应过量。

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To reproduce, the virus invades a cell in a host and USES the cell to produce more of itself.

病毒通过攻击宿主细胞繁殖，病毒利用宿主细胞来进行复制。

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The LIVE 5000 is voiced to produce the best frequency response, group delay and tone quality to faithfully reproduce any program material.

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This is enough to produce a completely different sequence of genetic chunks - and results in the cell beginning to produce proteins that the virus can use to reproduce itself.

BBC: NEWS | Health | How HIV can sabotage human cells

That makes sense because previous work has shown that skinny female zebra finches are less likely to survive and reproduce than skinny males so when resources are poor, parents should prefer to produce sons.

ECONOMIST: Sexy sons, dutiful daughters | The