However, the problem originally faced in respect to this vegetable was that in South Asia mungbean pods ripened at different times and harvesting had to be divided into four to seven stages. Production volume was small and harvesting costs were as high as 45 %, which made growing this crop very uneconomical.
問題在於，從前在南亞，綠豆因豆莢成熟時間不同，要分四到七次採收，產量又少，採收成本高達百分之四十五，非常不經濟。