Many countries have done this in the past decade to protect themselves against fluctuations in capital flows or commodity prices.

在过去十年中，为了保护自己免受资本流动和商品价格的波动影响，储备了大量外汇。

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But for most, solar panels are more or less a commodity, which favours big producers with access to cheap capital.

而对大部分公司而言，太阳能电池板或多或少是一种商品，对那些能够获得廉价资本的大公司是有益的。

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When derivative markets are linked to commodity markets, this nearly unlimited capital from the financial sector can cause excessive price volatility.

当派生出的市场和商品市场联系起来时，从它们这里来的无限的资金可能造成价格的极度不稳定。

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Brian Hunter, the gas trader, tried to raise money for another commodity fund, Solengo Capital, until he was sued by the Commodity Futures Trading Commission and named in an administrative action by the Federal Energy Regulatory Commission.

FORBES: Magazine Article

Commodity futures are capital assets and get taxed as if they were 60% long term and 40% short term, regardless of how long you hold the positions.

FORBES: In The Money

The reasons are many, with the largest ones being the long lag time to production, environmental concerns and political risks, as well as the fact that increased commodity costs means higher capital costs required to explore and develop mines.

FORBES: Gold's Fab Five Miners