而对于更早期的问题,由于缺乏确切证据,可谓是众说纷纭。
In the absence of hard evidence of what came before, there is plenty of scope for disagreement.
已有确切证据表明,一些在线侵闯是有黑客们采用形态各异的方法发起的随机攻击的结果。
There is certainly evidence that some online intrusions are the result of a very different approach to the random assaults mounted by hacktivists.
美国和欧盟表示将继续实施有针对性的个人制裁,直到得到在选举自由和公正上取得进展的确切证据。
America and the European Union say they will continue to impose these targeted personal sanctions until they get firm evidence of progress toward free and fair elections.
The question, of course, is what scholars have disagreed about and continue to disagree about, because the evidence simply will not permit any confident answer, but I ought to just mention a few of the theories that have been tossed around, a few among many, many, many.
而这个问题,是学者曾经争论不休,而且至今也尚无定论的,因为以目前的证据,不能得到任何确切的答案,但我需要,就一小部分广为传播的理论做些说明,这些只是各种理论中的一小部分
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