But altruism, fun, community and curiosity are also parts of human sociality and I propose that the Web is an existence proof that these capabilities can be amplified, as well.

但是，利他主义、享受乐趣、群体归属感和好奇心，同样也是人的社会性组成部分，我认为网络自身足以证明人类的这些行为也将得以放大。

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In October, forestry officials in Zhenping county in northern Shaanxi province published photos of a tiger in a forest setting, saying they were proof of the existence of the South China tiger.

去年十月，陕西省北部的镇坪县林业官员公布了一些以森林为拍摄场景的虎照，并声称这就是华南虎存在的证据。

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If not exactly proof of the existence of God, this does at least suggest that even fallen companies can have some hope of resurrection.

ECONOMIST: Innovative things to do with a banana

The thought greets Vince Camden as he sits up in bed, frantic, casting around a dark bedroom for proof of his existence and finding only props: nightstand, dresser, ashtray, clock.

NPR: Excerpt: 'Citizen Vince'

Evidence, but not proof, of its existence was found by two earlier missions.

ECONOMIST: Spaceflight