<prompt> Translate the following text to EnglishKwa sababu hatujui juu ya mifumo mingine ya kibiolojia, hatuna muktadha wa kuelewa maisha ya Dunia, kwa kujua ni kwa kiwango gani maisha tunayoyaona karibu nasi, kwa kiwango cha ulimwengu, ni ya kawaida au ya ajabu kabisa.  <response>: Because we are ignorant of other biological systems, we have no context for understanding Earth life, for knowing to what extent the life we see around us is, on the cosmic scale, relatively ordinary or totally freakish. 