translation.en: SETI doesn't presume the existence of extra terrestrial intelligence; it merely notes the possibility, if not the probability in this vast universe, which seems fairly uniform.
translation.zh: SETI并不预估地外文明的存在。 它仅仅是提出可能性， 或其存在在这个广阔宇宙中的概率，应该是非常相当平均的。