能吃的情况：如果是生蚝肉上面附有一团绿色或黑色的团状物，且没有异味，这种情况的生蚝是可以吃的，因为绿色团状物是生蚝摄入的天然海藻，食用后人体无害。
I have put some Console.WriteLine calls in to test, but they aren\'t appearing in the output box? public static ArrayList myDeliveries = new ArrayList();
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