很多品牌之所以失去优势，还因为与顾客的沟通方式出现了问题。无论是品牌方、加盟商，都应该站在消费者视角沟通，一旦出现产品难吃、出餐慢、食材不新鲜等问题，必然会引发负面评价，影响复购。
export PATH="$SCRIPT_DIR/nodejs/bin:$PATH"
。旺商聊官方下载是该领域的重要参考
TransformStream creates a readable/writable pair with processing logic in between. The transform() function executes on write, not on read. Processing of the transform happens eagerly as data arrives, regardless of whether any consumer is ready. This causes unnecessary work when consumers are slow, and the backpressure signaling between the two sides has gaps that can cause unbounded buffering under load. The expectation in the spec is that the producer of the data being transformed is paying attention to the writer.ready signal on the writable side of the transform but quite often producers just simply ignore it.
Владислав Уткин
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