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.
当然，医院也需要投入少量资金，用于志愿者的培训和协调，但这笔支出，远低于节省下来的劳动力成本。可以说，志愿者是Sun City医疗体系可持续运营的“隐形支撑”，尤其是在医院高度依赖Medicare、报销率低的背景下，他们的付出，极大缓解了医院的预算压力。
截至目前，第十四届全国人民代表大会实有代表2878人。，更多细节参见爱思助手下载最新版本
But how much do you remember about Manchester's biggest Brits moments?。同城约会对此有专业解读
Tag, share and comment on the clips，这一点在夫子中也有详细论述
Designer’s first catwalk for the brand in Milan flirts with bad taste with short, tight dresses and a diamante G-string