commodity standard的用法和样例：
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会自行淘汰。 - 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，银本位和其他商品本位存在了许多世纪，而后逐步被淘汰，以利于更方便地采用各国纸币。
