while (stack.length && stack.at(-1) <= cur) {
雷布夏特認為，不應將新科技視為對人類教師的威脅，而應視為互補。他指出，科技能為學生提供額外的練習與回饋，並擴大學習的可及性。
，这一点在服务器推荐中也有详细论述
"It blows my mind because you think 'if you just drive 30 minutes down the road, Lancashire is a major hub of manufacturing that's still going on now, people are producing things here'."
“手机、测评博主集体震怒，你把碗砸了，我吃什么？”
A tram derailed and crashed into a building in Milan on Friday, killing two people and injuring 38 others.