这个国家最有价值的商品包括锡和钻石。

The country's most valuable ___commodities include tin and diamonds.

不仅如此，它还会对主要商品产生多米诺骨牌效应。

Not just that, it will have a domino effect on prime ___commodities as well.

石油是一种全球交易的商品。

Oil is a globally traded ___commodity.