For granular control (allowing citations while restricting training), the Content-Signal IETF draft header enables per-response specifications. This informs AI systems about permitted uses while blocking prohibited activities. Implement globally through middleware or CDN configurations, recognizing the specification remains experimental.
5. Do not paraphrase the extracted span.
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美国亚洲盟友扩大进口俄罗斯铝材 08:37