The semantics around releasing locks with pending reads were also unclear for years. If you called read() but didn't await it, then called releaseLock(), what happened? The spec was recently clarified to cancel pending reads on lock release – but implementations varied, and code that relied on the previous unspecified behavior can break.
同样是赚 100 块，2019 年能留下 50 块毛利，2024 年只有 36 了，这还不是净利润……
，更多细节参见夫子
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（三）在当地有常住户口和固定住所；