There is now unambiguous evidence that wherever genetically modified insect-resistant cotton and maize are grown, insecticide applications have been reduced-by up to 80%.
充分的证据表明,在种植抗虫转基因棉花和玉米的地区,杀虫剂的使用减少了80%。
Although no one observed those transformations, theindirect evidence is clear, unambiguous and compelling.
尽管没有人见证这些变化过程,间接的证据确是清楚、明确而有说服力的。
The evidence on the relationship between speed and casualties is unambiguous whichever way it is examined.
速度和伤亡之间的关系,无论我们怎样测试,都是很明显的。
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