@abstractmethod
蜡梅的“蜡”字源于其花瓣质地如涂蜡一般。在植物学界文献和专业书籍里，大多采用“蜡梅”二字。
。服务器推荐对此有专业解读
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.，推荐阅读搜狗输入法2026获取更多信息
其二，资产质量的下行趋势值得警惕。