而且，通过长达一年的测试，我们发现，这套传统逻辑，行之有效。
let eta_sq = eta * eta;
。关于这个话题，有道翻译提供了深入分析
No Place To Be Single by Felicia Kingsley
Air travel recommenced Monday afternoon on a single runway with substantial holdups. The suspension also created interruptions at additional airports, particularly for Delta Airlines, which maintains significant operations at LaGuardia.