The world commodity price has gone up.

全世界商品价格已上涨。

Negotiate the commodity price with suppliers.

负责采购物料的价格谈判；

"General" is the general price, not the specific commodity price.

“普遍”指物价总水平而不是指某一种商品的价格。

In May, the CRB commodity price index shot up by 13.8% from the month before.

5月的CRB(商品研究局)商品价格指数竟比上个月增长了13.8%。

The Economist's commodity price index is broadly unchanged from a year ago.

《经济学人》的商品价格指数较去年大体不变。