Lena 最新的 B2B 推广活动获得了极高的品牌认知度。展示量和视频浏览量都远超基准水平。鉴于品牌认知度提升如此显著，她的团队建议将下个季度的所有预算都投入到品牌认知度广告中。Lena 应该提醒他们什么？

The correct answer emphasizes that while brand awareness is important, an exclusive focus on it risks neglecting the crucial stages of consideration and conversion. Without nurturing buyers through the entire marketing funnel, high awareness alone won't translate into actual revenue or business outcomes. The other options are incorrect because: "关注度比转化更重要" is generally false in a business context, as conversions drive revenue. "品牌认知度是最难提升的，因此值得投入更多资源" is not universally true and doesn't address the need for a balanced strategy. "未来的投资应该只集中在能够带来最大收益的阶段..." suggests an unbalanced, short-sighted approach that ignores the foundational role of awareness and consideration in generating those "biggest returns.