commodity standard的用法和樣例：
例句
- Curiously enough, a successful gold standard, or any other commodity standard, would tend to eliminate itself.
奇怪的是，成功的金本位，或任何其他商品本位都會(huì )自行淘汰。 - Gold, silver, and other commodity standards survived for many centuries but were then phased out in favor of the more convenient use of national paper currencies.
金本位，銀本位和其他商品本位存在了許多世紀，而后逐步被淘汰，以利于更方便地采用各國紙幣。
