After all, declines in fuel and commodity prices over the past two months are starting to work their way through the supply chain.
毕竟，过去两个月燃料和大宗商品价格的下滑开始对供应链产生影响。
2
Start the engine in the right time for proper combustion chamber supply of clean air and fuel. if the fuel systems are speeding up, before starting to press the "clear" button.