largest rows,” Postgres jumps from the root down to the leaf with the largest
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。新收录的资料对此有专业解读
在推进路径上，应采取“政府扶助+互助自治”的双轨驱动。一方面，政府要加大财政转移支付，补齐水电路网等基础设施短板，建立留守老人定期巡访制度，守住安全底线。另一方面，要激活乡村内生动力，大力推广“互助幸福院”和“时间银行”模式，鼓励低龄健康老人服务高龄老人，通过积分兑换形成可持续的激励机制。同时，定向培养本土护理人才，让服务真正“留得住、用得起”，逐步缩小城乡养老鸿沟。
I'll admit this is a bit idealistic. The history of open formats is littered with standards that won on paper and lost in practice. Companies have strong incentives to make their context files just different enough that switching costs remain high. The fact that we already have CLAUDE.md and AGENTS.md and .cursorrules coexisting rather than one universal format, is evidence that fragmentation is the default, not the exception. And the ETH Zürich paper is a reminder that even when the format exists, writing good context files is harder than it sounds. Most people will write bad ones, and bad context files are apparently worse than none at all.
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