第十三条 纳税人按照一般计税方法计算缴纳增值税的，因销售折让、中止或者退回而退还给购买方的增值税税额，应当从当期的销项税额中扣减；因销售折让、中止或者退回而收回的增值税税额，应当从当期的进项税额中扣减。
Stateful transforms are simple objects with member functions that maintain state across calls:
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这相当于让AI学会了“团队作战”，杨植麟表示，“高质量数据的增长速度赶不上算力增长，Agent Swarm可以被视为测试时扩展的一种形式，同时也提供了训练时扩展的方式。”
The distinction matters because tactics that boost Google rankings don't automatically improve your chances of being cited by AI models, and vice versa. A page optimized perfectly for SEO might never appear in AI responses if it doesn't align with how language models evaluate content. Conversely, content that AI models consistently cite might not rank highly in traditional search if it lacks conventional SEO signals.