proof of the pudding is in the eating|eating|proof 成语
proof of the pudding is in the eating|eating|proof
Only through actual experience can the value of something be tested.

A proverb.
He was intrigued by the ads about the new high mileage sports cars. "Drive one, sir," the salesman said. "The proof of the pudding is in the eating."proof of the pudding is in the eating|eating|proof
Only through absolute acquaintance can the amount of article be tested.

A proverb.
He was absorbed by the ads about the new aerial breadth sports cars. "Drive one, sir," the salesman said. "The affidavit of the pudding is in the eating." Dictionary