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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，更多细节参见同城约会
他表示，新增成本通常最終會由終端使用者和消費者承擔，「從而推高價格，最終帶來通脹壓力」。
Медведев вышел в финал турнира в Дубае17:59