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"The beauty of recycling China's surplus into metals instead of US bonds is that it kills so many birds with one stone: it stops the yuan rising, without provoking complaints of currency manipulation by Washington; metals are easily stored in warehouses, unlike oil; the holdings are likely to rise in value over time since the earth's crust is gradually depleting its accessible ores. Above all, such a policy safeguards China's industrial revolution, while the West may one day face a supply crisis. "

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"Trecho extraído de "A 'Copper Standard' for the world's currency system?"