The other condition is in societies living in marginal or fluctuating environments, such as the Arctic or deserts, where there are periodic food shortages, and occasionally there just isn't enough food Whatever food is available has to be reserved for able-bodied adults and for children.
もう１つの条件は 社会が辺境や 不安定な環境にある場合です 北極圏や砂漠地帯では 周期的に食料が不足し 全員が生き延びるには 食料が足りない場合があります 手に入る食料はすべて 健康な成人と子供のために とっておく必要があります