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.
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Жители Санкт-Петербурга устроили «крысогон»17:52
貝恩補充說，對於那些繼續向美國出口的企業而言，關稅上調帶來的成本最終要么由出口商承擔，要么由其在美國的客戶承擔。
"It could be a way to make those professions way more attractive and get the productivity back up."