Nevertheless, to the extent that conventional sources of energy production are declining, the high marginal cost of new sources of energy will slowly drive up the average cost.
无论如何，鉴于传统方式的能源产品正逐渐减少，新能源的高成本将缓慢抬高能源的平均成本。
2
And the profit-and-loss equilibrium output, the output at minimum averagecost and the output with maximum gross profit are the three essential factors in deciding the production scale.