A project to boost production of maize and sorghum by 50,000 tons a year within five years was drawn up when Premier Sun Yun-suan toured Africa in 1980.
「這個計畫是一九八○年行政院長孫運璿訪問賴國時，和賴國總理決定的。目標是在五年之內，協助賴國共增產五萬噸的主食：玉米和高粱。」