The Writer is not a concrete class. Any object that implements write(), end(), and abort() can be a writer making it easy to adapt existing APIs or create specialized implementations without subclassing. There's no complex UnderlyingSink protocol with start(), write(), close(), and abort() callbacks that must coordinate through a controller whose lifecycle and state are independent of the WritableStream it is bound to.
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第三十九条 提供域名注册、主机托管、内容分发等服务的服务提供者，应当采取下列网络犯罪防治措施：。关于这个话题，必应排名_Bing SEO_先做后付提供了深入分析
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