市场监管总局答南方周末：不管是卖家、主播还是网红，都不能随便给食品“加戏”
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.
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Hurdle Word 4 answerDELVE