Inuits of the Bering Sea were in isolation from contact with Europeans longer than Aleuts or Inuits of the Noah Pacific and northern Alaska
in isolation from contact with Europeans longer than
isolated from contact with Europeans longer than
in isolation from contact with Europeans longer than were
isolated from contact with Europeans longer than were
in isolation and without contacts with Europeans longer than
C为什么错
in本身是有含义的,表示在。。里边
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