在效果规划工具中，为什么应将具有不同营销目标的广告系列分别纳入不同的方案中？

The Performance Planner is designed to forecast performance and optimize budgets for specific marketing goals. If campaigns with different marketing objectives (e.g., brand awareness vs. sales) are grouped into a single plan, the tool might reallocate budget between them in a way that doesn't align with the distinct goals of each campaign. Keeping them separate ensures that budget recommendations and performance forecasts are tailored to each objective, preventing unintended budget shifts and maximizing the effectiveness of each campaign. While avoiding "limited by budget" status is a general goal, it's not the primary reason for separating campaigns by objective in the Performance Planner. Keyword duplication is a separate issue addressed during campaign setup, not directly by the Performance Planner's scenario planning. Identifying seasonal trends is important, but the core reason for separation is budget allocation based on distinct objectives.