I will provide a uniform explanation for OSC in this dissertation: V2 (with its null subject and null object) is essentially a purpose clause modifying the matrix clause.

本文为动词同宾结构提供了一个统一的解释：这些句子中的V_2（连同其空主语和空宾语）本质上是目的性状语从句。

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You can use ALTER TABLE with the DROP VERSIONING clause for the same purpose, but IBM suggests sparse use of DROP VERSIONING because it can cause invalidation, which should be avoided if possible.

您可以使用ALTER TABLE和DROP versioning子句实现相同用途，但IBM建议尽量少使用DROP VERSIONING，因为它可能导致无效性，这应该尽可能避免。

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A purpose or reason clause needs a main clause to make a complete sentence.

目的状语从句和原因状语从句与主句一起构成完整的句子。

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The purpose of the General Welfare clause is to provide a reason, motivation, and purpose to the proper exercise of the Powers the Constitution specifically grants to Congress.

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The purpose of the establishment clause, they argue, is to ensure that state-sponsored gatherings (such as sporting events at public schools) do not endorse the viewpoint of one religious group at the expense of another.

ECONOMIST: Prayer in schools