New farming techniques, such as genetic modification, that mean higher yields—possibly much higher yields—cannot be ruled out.

新的农业技术，如基因修饰就不能排除在外，因为基因修饰意味着更高的产出——或者很可能带来更高的产出。

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Malawi, a small landlocked country in Africa and one of the continent's poorest nations, has helped its farmers become more productive by building roads and introducing new farming techniques.

马拉维是非的洲一个内陆小国，也是非洲大陆最贫穷的国家之一，为了更有效地帮助当地农民提高粮食产量，他们新修道路，引进新的农业技术。

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Conservationists insist that the solution to the problem lies in new and better farming techniques.

自然资源保护论者坚持认为出路在于推出更新更好的农业技术。

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Under that theory, hunter-gatherers in Europe would have learned about new farming techniques from the originators in the Near East and switched over on their own to the new lifestyle.

WSJ: Migrations Spurred Agriculture Spread, Studies Indicate