[null,null,["最后更新时间 (UTC):2025-02-28。"],[[["Campaign drafts provide a virtual environment (draft campaign) to stage changes to an existing campaign (base campaign) without affecting live ads."],["Creating a campaign draft is a simple process involving specifying the base campaign and draft name, while draft campaign modifications follow standard campaign editing procedures."],["You can promote the draft campaign, applying the changes to the base campaign asynchronously, or remove the draft campaign discarding changes entirely."],["Promoting a draft campaign is an asynchronous operation, providing a mechanism to track its progress without repeated API calls."]]],[]]