Previously, all crude was tied up by the big companies in inelastic long-term contracts.

在这之前，所有原油都被大公司以硬性长期合约的形式限制住了。

63. The human skeleton consists of more than two hundred bones bound together by tough and relatively inelastic connective tissues called ligaments.

63。类骨骼有二百多块骨头组成，住些骨头石油坚韧而相弹性的，被称为韧带的结蒂组连在一起。