cost of raw materials的用法和樣例：
例句
- Another potential risk to Chinese and other auto-parts makers is an unanticipated rebound in the cost of steel or other key raw materials.
中國和其它國家零部件制造商面臨的另一個(gè)潛在風(fēng)險是鋼鐵或其他主要原材料成本出乎預料地回升。 - Due to declining sales and rising raw material costs, profit margins have been squeezed.
由于銷(xiāo)量下降和原材料成本的上漲，利潤率也受到了擠壓。
