每个快递员都有一张表，显示路径标号和地址。

Each delivery man has a table with a route number on it and the mail to deliver.

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你可能用一个数字代表每一个字母，例如，让我们给字母表中的字母标号，按照顺序，从1标到26。

You might represent each letter with a number, for example; let's number the letters of the alphabet, in order, from 1 to 26.

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格式标号通常用于标记工作表中的信息，通常是一个字或符号。

Format Label is often used to identify information in a worksheet, it is usually a word or symbol.

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