其中 Φ(x)是标准正态分布 CDF。
促消费，贵在精准。就拿文旅消费券来说，问题不在发多少，而在怎么发。今天，旅游需求日益个性化、差异化，倘若仅以“发完”为目的，就很难有针对性地挖掘消费潜力，也会造成资源浪费。创新发放消费券机制，让消费券更精准锁定潜在需求群体，才能发挥其应有作用，同时精准滴灌真正需要扶持的文旅项目。
World Service,·23 Feb 2026,·26 mins，推荐阅读同城约会获取更多信息
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But Dorsey’s statement comes as companies are still in the early stages of AI adoption. A 2025 McKinsey report found that most firms are still experimenting with AI implementation, and nearly two-thirds have yet to scale the technology. Moreover, a recent survey of 6,000 CEOs and other executives of firms across the U.S., the U.K., Germany, and Australia from the National Bureau of Economic Research found that AI has yet to show any major impact on their operations.。关于这个话题，旺商聊官方下载提供了深入分析
Ocado to cut 1,000 jobs in £150m cost-saving drive