the concept was well-known in the computer industry. As IBM designed the 2984,
它踩中了时代最甜的红利，用流量缔造了神话，却在红利退潮后，暴露了品牌的底层缺陷。
。Line官方版本下载是该领域的重要参考
不过，苹果并不打算将 MacBook Pro 定位为 iPad 替代品。触控只是新增输入方式之一，而非「触控优先」。
For implementers, there's no Transformer protocol with start(), transform(), flush() methods and controller coordination passed into a TransformStream class that has its own hidden state machine and buffering mechanisms. Transforms are just functions or simple objects: far simpler to implement and test.