The piece of furniture serves a dual purpose as a cupboard and as a table.

这件家具有两个用途，既作橱柜也作饭桌。

《牛津词典》

You can also have one table for all data types, or tables divided by purpose.

您也可以将一个表用于所有数据类型，或按用途划分表。

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It contains abstract methods whose sole implementation purpose is to perform the CRUD operations on the underlying table.

它包含一些抽象方法，实现这些方法的惟一目的是在底层表上执行CRUD操作。

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In the relentless drive to turn physical things into virtual ones, the purpose served by the coffee table book will soon be served by the coffee table itself, and for the same reasons.

FORBES: Get Ready For The Smart Coffee Table

Carried to its logical conclusion, this ruling means that a person cannot make transfers meant to take assets off the table against future claimants who might come along later which is arguably the very purpose of asset protection planning!

FORBES: Kilker - Asset Protection Intent In Making Transfers To Protect Against Future Creditors Means Disaster When Creditor Appears