The following commands will backup your databases on the primary machine (also shown in Listing 4).

下面的命令将备份主要计算机上的数据库（如清单 4 中所示。）

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Hopefully, it's clear from the example in Listing 1 that the primary purpose of an import is to import a namespace.

从清单1的范例中显而易见导入的主要目的是为了导入命名空间。

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The important thing here is to define this table of contents as a primary toc (Listing 15).

此处的重要意义在于将这个内容目录定义为一个主要的toc(列表15)。

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Trading will resume on the other exchanges and in the over-the-counter market once trading has resumed on the primary listing market.

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He added that NYSE Arca, which many trading venues declared self-help against that day, is the primary listing venue for ETFs.

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The company's executives are thinking about joining them, and shifting their primary listing from Toronto to Hong Kong in the process.

ECONOMIST: Stock exchanges