效果规划工具会自动完成下面哪一项工作？

The Performance Planner is designed to forecast how your existing campaigns will perform in the future, helping you understand potential outcomes and optimize your budget and bids to achieve your marketing goals. It uses historical data and machine learning to provide these predictions. The other options are incorrect because: "利用机器学习技术定位新的受众特征" (Using machine learning to target new demographics) describes audience insights or targeting tools, not the core function of the Performance Planner. "根据您的预算推荐完美的广告结构" (Recommending the perfect ad structure based on your budget) relates to campaign setup and ad group organization, which is outside the scope of the Performance Planner's forecasting capabilities. "为您合理设置广告预算，以实现最快的增长" (Setting your ad budget reasonably for the fastest growth) is a desired outcome, but the Performance Planner helps you plan for growth by showing potential results for different budget scenarios, rather than automatically setting the budget for "fastest growth.