A yellow banana duct-taped to a wall sold for $6.2 million at a Sotheby's auction on Wednesday. Let that sink in. If you're slightly baffled, congratulations -you're in on the punchline.
这句话的congratulations在这里是名词做状语吗?怎么不用副词?
可看作(send/give my)congratulations.也可单纯把congratulations理解为固定句型。