Metals invariably trade and therefore are priced in terms of weight: tons, pounds, ounces, etc.

在各种各样金属的交换中，它们的价格用重量来表达：吨，磅，盎司……等等。

youdao

Metals invariably trade and therefore are priced in terms of weight: tons, pounds, ounces, etc.

在各种各样金属的交换中，它们的价格用重量来表达：吨，磅，盎司……等等。

youdao