But attention is neither a currency nor a commodity. It can, to some extent, be bought and sold. But it cannot be traded to third parties, and it is not entirely fungible.
但是关注度既不是商品也不是货币，虽然在某种程度上来说它可以被买卖，但是它确不能与第三方交易，并且是完全不可替代的。
Futures contracts for the same commodity and delivery month are fungible due to their standardized specifications for quality, quantity, delivery date and delivery locations.
同种商品、同一交割月的期货合约具有可替代性，合约间的可替代性取决于其特定的质量标准、合约量、交割日期和交割地点。
Futures contracts for the same commodity and delivery month are fungible due to their standardized specifications for quality, quantity, delivery date and delivery locations.
同种商品、同一交割月的期货合约具有可替代性，合约间的可替代性取决于其特定的质量标准、合约量、交割日期和交割地点。
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