这并不是“天赋差异”，而是工具认知差异。
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Feb. 26, 2026 at 12:24 p.m. PT，详情可参考heLLoword翻译官方下载
Finding these optimization opportunities can itself be a significant undertaking. It requires end-to-end understanding of the spec to identify which behaviors are observable and which can safely be elided. Even then, whether a given optimization is actually spec-compliant is often unclear. Implementers must make judgment calls about which semantics they can relax without breaking compatibility. This puts enormous pressure on runtime teams to become spec experts just to achieve acceptable performance.