关于全民免费学校午餐的辩论，每年花费 $20B，免费/减价 70%，影响营养、预算和教育。 Debate over free school lunches for all, costing $20B annually, with 70% free/reduced, impacts nutrition, budgets, and education.

围绕是否所有学校午餐都应该免费, 持续争论每年花费200多亿美元, 70%的午餐免费或减少。 An ongoing debate surrounds whether all school lunches should be free, costing over $20 billion annually, with 70% of lunches served free or reduced. 《地球金钱播客指标》讨论了这一专题,探讨了向所有学生提供免费午餐的经济和实际影响。 The Indicator From Planet Money podcast discusses the topic, exploring the economic and practical implications of providing free lunches to all students. 这场辩论对学生营养、学校预算和教育系统都有影响。 The debate has implications for student nutrition, school budgets, and the education system.