Success isn't assured, of course. The technologies present difficult engineering challenges, and some require big scientific leaps in lab-created materials or genetically modified plants.

当然，这些技术并不一定能取得成功，它们目前都面临着不少难题，一些技术需要在实验室创造的材料和或转基因植物方面实现一些重大突破。

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If gene jumps can occur naturally between plants belonging to different species, does this mean that there is no longer any reason to oppose genetically modified crops?

如果基因“跳跃”可以自然地在属于不同种类的植物之间发生，这是否意味着不再有任何理由反对转基因作物？

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WHO, jointly with FAO, will convene a series of expert consultations to assess the safety and nutritional aspects of foods derived from genetically modified plants, microorganisms, and animals.

世卫组织与粮农组织联合召开了一系列专家协商，以评估来源于转基因植物，微生物和动物的食品安全性和营养。

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At the moment, despite the brouhaha they have created in some countries, genetically modified plants are primitive things.

ECONOMIST: Inhuman genomes

Environmentalists had argued that there might be a risk of cross-pollination between genetically modified plants and neighbouring crops.

BBC: Monsanto GM seed ban is overturned by US Supreme Court

Yet most plants that have been genetically modified contain genes from related plant species or some of their natural microbial neighbours.

ECONOMIST: In defence of the demon seed