When you want to sell fry, you can always hear parents singing and counting at the same time: two fishies plus three fishies is five fishies, with another five fishies is ten fishies. "
要賣魚苗時，就會聽見父母一邊唱一邊數：二尾啊三尾啊共五尾，五尾啊五啊有十尾。」