The cost of materials rose sharply last year. Accordingly, we were forced to increase our prices.

去年材料成本大幅度提高，因此我们被迫加价。

《牛津词典》

Prices have risen in order to offset the increased cost of materials.

为补偿原料成本的增加而提高了价格。

《牛津词典》

The figures show that the cost of materials has risen by 25%.

数字表示材料成本已上升了25%。

youdao

The cost of materials,bait and fuel, and the price of lobsters hasn't kept up with it.

VOA: standard.2010.07.20

Santa can also deduct the cost of goods and the cost of materials to make the toys.

FORBES: Why Santa Won't Owe Any Income Taxes This Year

The cost of materials has risen steeply, not least because America must compete with countries (such as China) that are investing heavily in infrastructure.

ECONOMIST: America's creaking infrastructure

The Northeastern student even believes he can get the cost of materials below that of a standard whiteboard or blackboard, but only time will tell on that one.

ENGADGET