The main purpose of allocating free space is to keep the data rows in the same physical sequence as the clustering index, thus reducing the need to frequently reorganize the data.
分配空余空间的主要目的是使数据行的物理顺序与群集索引一致，以减少频繁重组数据的需要。
Because an investor cannot directly buy or sell an index, index futures and options contracts are cash settled by allocating a dollar amount to each index point.
因为投资者不能直接购买或出售指数，指数期货和期权合约就采取给每个指数点规定一定的货币价值的方式进行现金结算。
Because an investor cannot directly buy or sell an index, index futures and options contracts are cash settled by allocating a dollar amount to each index point.
因为投资者不能直接购买或出售指数，指数期货和期权合约就采取给每个指数点规定一定的货币价值的方式进行现金结算。
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