What began as an attempt at artistic creation has turned into a marketable commodity.

原本艺术创作上的一个尝试最终变成了一个可以出售的商品。

《柯林斯英汉双解大词典》

For buying and selling foreign currencies, marketable securities, non-commodity futures and other financial goods, the turnover shall be the balance of the selling price less the buying price.

外汇、有价证券、非货物期货和其他金融商品买卖业务，以卖出价扣除买入价后的余额为计税营业额。

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General Motors sees those leftover steel cutouts, roughly four feet square, as a marketable commodity.

FORBES: How GM Makes $1 Billion A Year By Recycling Waste

She is, after all, a marketable commodity and likely has more than one company associated with her brand.

FORBES: The Business of Being Lindsay

In the case of climate change, governments established carbon as a marketable commodity.

FORBES: Making biodiversity material for investors