It should be noted here that the importance of the indexer in maintenance goes beyond just keeping the index up to date.

值得注意的是标引人员在维护索引过程中的重要性不仅仅是保持索引更新。

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The list of recommendations includes: (1) keeping the two existing indexes on the CUSTOMER table and (2) creating 1 index and keeping 1 index for the DISTRICT table.

建议包括：(1) 保留 CUSTOMER 表上已有的两个索引，并且(2) 创建一个索引，保留用于 DISTRICT 表的一个索引。

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As soon as you start keeping track of array offsets, your code will get much more complicated so any time you can avoid iterating through an array by index you should.

一旦您开始跟踪数组偏移，您的代码就会变得更加复杂，以至于任何时候您都应该避免通过索引迭代通过一个数组。

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Consequently, fund managers had a difficult time keeping up with the performance of the index.

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Ben Critchley, a sales trader at IG Index, said investors would be keeping a close watch on the Congressional testimony of senior staff members of credit rating agencies in Washington on Wednesday.

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Over the past 12 months, our Cost of Living Extremely Well Index (CLEWI) climbed 4%, keeping pace with the CPI.

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