平均成本法是在固定時間間隔投入固定金額，令價格較低時購入較多單位、價格較高時購入較少單位。
Dollar cost averaging invests a fixed amount at fixed intervals, buying more units at lower prices and fewer at higher prices.
平均成本法是在固定時間間隔投入固定金額，令價格較低時購入較多單位、價格較高時購入較少單位。
Dollar cost averaging invests a fixed amount at fixed intervals, buying more units at lower prices and fewer at higher prices.