// block: Wait for space (unbounded pending queue)
// 优化点：仅i<len时赋值（避免重复赋值，提升效率）
，详情可参考91视频
供需失衡→价格暴涨/暴跌→厂商扩产/减产→新一轮循环。这套“周期铁律”几乎成了半导体行业的常识。
President Donald Trump, a Republican who has expressed regret that the Clintons are being forced to testify, bowed last year to pressure to release case files on Epstein. The Clintons, too, agreed to testify after their offers of sworn statements were rebuffed by the Oversight panel and its chairman, Rep. James Comer, R-Ky., threatened criminal contempt of Congress charges against them.