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.
3. 全球最完整的绿电产业链与成本优势
，这一点在谷歌浏览器【最新下载地址】中也有详细论述
接受BBC訪問時，關恆憶述得悉庇護申請獲批時的感受，「當時最主要的感覺還是就是如釋重負吧，就是沒有那麼焦慮了。」
The Trent Windsurfing Club near Nottingham, England, which communicates with members using both WhatsApp and email, spells out other considerations in a 15-point list on its website.