youdao

Second, most firms were medium-sized and relied on a single commodity to drive profits.

第二，大多数公司规模中等，利润来源产品种类单一。

youdao

We try to lump together a set of inputs and outputs, so as to treat them as a single commodity.

我们想把一组进货和出产总加在一起，以便把它们作为单一商品对待。

youdao

He argues that African economies must move away from dependence on a single commodity.

ECONOMIST: Zambian copper

Using inedible inputs avoids fights about diverting food crops for fuel, and frees the industry from reliance on a single commodity.

ECONOMIST: America's biofuel muddle

To earn the foreign exchange needed to pay for imports and to service debts, reliance on a single commodity (like Zambia's copper) is just too risky.

ECONOMIST: Zambian copper