That piece of paper is legal proof that an individual exists.
那张纸是证明一个人存在的法律证明。
A small group of Australian scientists, the so-called Perth group, claims that there is no proof that HIV exists.
然而一小组名为帕斯小组(Perth Group)的澳大利亚科学家声称没有证据表明HIV病毒存在。
UK scientists at Kings College recently declared that there was no proof that the female hyper-pleasure center exists.
英国Kings大学的科学家宣称，没有证据表明让女性兴奋的神奇小点确实存在。
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