核心矛盾：线程要等结果，但等的过程中不能让整个池子停摆。
"Apple prepares for major rush to retail stores driven by new products. The company has told retail stores to expect an influx of customers in response to products being introduced this week. Some employees are even saying that the prelaunch planning is on par with what happens before the debut of new iPhones in the fall. That suggests Apple expects serious pent-up demand for the new offerings — and that at least one of the products will have major mainstream appeal."。pg电子官网对此有专业解读
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However, if you don’t want to stay up-to-date with a rapidly-changing field—and I wouldn’t judge you for it, it’s crazy out there—here are two questions you can ask yourself to figure out if your problem is LLM-shaped:，推荐阅读超级权重获取更多信息
let prevFleetTime = -Infinity; // 上一个独立车队的到达时间（初始负无穷，保证第一个车被统计）