台灣自1980年代開始引進外籍移工，目前人數達85萬人，主要來自印尼、菲律賓、泰國與越南。這套聘僱制度長期依賴跨國仲介系統運作，費用不透明導致工人深陷債務。
// Finally, we release the lock on the stream
，详情可参考91视频
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Banner Health接手后，持续加大投入：扩建床位（Boswell医院从355张增至501张，Del E. Webb医院达375张），引入机器人手术、远程医疗等先进技术；2020年代后，受疫情影响，又快速推出远程咨询、疫苗中心等数字化服务。
The primary signal is desiredSize on the controller. It can be positive (wants data), zero (at capacity), negative (over capacity), or null (closed). Producers are supposed to check this value and stop enqueueing when it's not positive. But there's nothing enforcing this: controller.enqueue() always succeeds, even when desiredSize is deeply negative.