After a while, the teacher brings out a withered, yellow pod, explaining that once the beans have matured, you remove the pod and, voila: you have soybeans. "They're actually the same thing!
隨後，老師拿出一支枯黃的豆莢，解釋毛豆長大變成黃色後，打開豆莢便是「黃豆」，「這是同一種豆子喔！