Good cause is shown 有正当理由
While studies have shown that acrylamide can cause neurological damage in mice, there is no conclusive evidence that it causes cancer in humans.
虽然已有研究表明丙烯酰胺会造成小鼠神经损伤,但是并没有确凿的证据表明它会使人患癌。
Studies of animals, for example, have shown that when a rat experiences stress during pregnancy, it can cause epigenetic changes in a fetus that lead to behavioral problems as the rodent grows up.
例如,对动物的研究表明,老鼠在怀孕期间经历压力会导致胎儿表观遗传发生变化,进而导致啮齿动物在成长过程中出现行为问题。
Psychologists have shown that babies apparently expect their world to comply with the laws of physics and cause and effect as early as two months of age.
心理学家已经表明,婴儿在两个月大的时候就表现出明显的期望,希望他们的世界遵守物理定律和因果关系。
But she says it must be shown scientifically that cord blood stem cells cause improvement, and not other reasons.
VOA: special.2011.02.01
Earlier studies have shown that some of the compounds cause hyperactivity and thinking deficits in laboratory animals.
VOA: special.2010.05.26
Even the owner of the mansion they are squatting in has shown some sympathy for their cause.
VOA: standard.2009.11.12
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