not proven

Some experts think the weather pattern that produced those American extremes is an indirect consequence of the release of greenhouse gases, though that is not proven.

有专家认为，造成美国这些极端温度的天气模式是温室气体排放的间接后果，但这个观点尚有待证明。

JOHN DALLI: "It is crucial that national authorities do not give information on source of infection which is not proven by bacteriological analysis, as this spreads unjustified fears in the population all over Europe, and creates problems for our food producers selling products in the EU and outside of the EU."

John Dalli：“国家机构在未经过细菌学分析证明疫情源头的情况下不应该仓促发布信息，这是非常关键的，因为这会在欧洲所有民众中间传播恐惧感，为向欧盟和欧盟以外国家出售食品的生产者带来问题。”

If it is often true that, as Pliny has stated, the olive tree does not die but takes on new life from its trunk, nevertheless this is not proven in the case of, he Gethsemane trees.

就算如同第一世纪时期古罗马博物学家Pliny指定般真实，橄榄树没有死亡只是从树干延衍生了新生命。但即使如此，仍不能证明这就是当年的格责玛尼庄园中的橄榄树。

But the court ruled against Xu, claiming the three siblings had not proven they were the only ones who stood to inherit the property.

但是法院驳回了徐义清的请求，声称这三兄妹不能证明他们是唯一可以继承这一财产的人。

It is often claimed, though not proven, that the North American and European species tend to be more nauseating and not as lucid as their Siberian cousins.

它经常声称，虽然没有证实，在北美和欧洲的物种往往更恶心，而不是明晰作为其西伯利亚兄妹。