Crude oil is the world's most important commodity.
原油是世界上最重要的商品。
英语解释：a product or a raw material that can be bought and sold 商品:
注：一词多义，单词一次只记一种意思即可。
,
Crude oil is the world's most important commodity.
原油是世界上最重要的商品。
英语解释：a product or a raw material that can be bought and sold 商品:
注：一词多义，单词一次只记一种意思即可。
,
