price of coal的用法和樣例：
例句
- While coal prices have been deregulated, electricity prices are still set by the authorities.
儘管煤炭價格取消了管制，電價卻仍然由官方制定。 - Teck also expects transportation cost to decline "due to the impact of coal price-linked terms in Teck Coal's transportation contracts.
由於受泰克煤炭的運輸合同與煤炭價格等掛鉤的條款的影響，泰克預計運輸成本將會下降。
