引言：
“千金散尽还复来。”
commodity /kəˈmɒdəti/
noun
【不规则形式】 pl. -ies
1
(economics 经) 商品
a product or a raw material that can be bought and sold
rice, flour and other basic commodities
稻米、面粉和其他基本商品
a drop in commodity prices
商品价格的下跌
Crude oil is the world's most important commodity.
原油是世界上最重要的商品。
2
有用的东西；有使用价值的事物
a thing that is useful or has a useful quality
Water is a precious commodity that is often taken for granted in the West.
水很宝贵，但在西方人们往往意识不到这一点。
Clean water is a precious commodity in that part of the world.
在世界的那个地方，洁净的水是宝贵的东西。
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