average cost curve的用法和樣例：
例句
- Changes that increase productivity will shift the average and marginal product curves upward and the average and marginal cost curves downward.
生產(chǎn)率增加會(huì )使平均產(chǎn)量和邊際常量曲線(xiàn)向上移動(dòng)，而平均成本和邊際成本曲線(xiàn)會(huì )向下移動(dòng)。 - Outside China, at any rate, a producer smelts or sinks according to its position on aluminium's cost curve.
無(wú)論如何，中國境外的生產(chǎn)者需要根據鋁成本曲線(xiàn)的位置點(diǎn)來(lái)選擇熔煉或者放棄。
