The reasonable setting of margin system is to make sure index futures transaction in efficient and safe operation.

保证金制度的合理设定是确保股指期货交易高效和安全进行的保证。

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Through contrasting the margin system of China futures markets with those of international markets, it points out the shortage of our current margin system.

通过对比我国的保证金制度与国际各大成熟期货市场保证金制度的差异研究，指出我国现行保证金制度存在的不足之处。

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It described what's happening as a "systemic margin call," in which the whole financial system is facing demands to come up with cash it doesn't have.

它将现状描述为“对整个系统的追加保证金要求(systemic margin call)”，也就是说金融系统面临着对现金的需求，但是它却没有这些现金。

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The promise of liquidity was all that was needed to keep margin calls from cratering the financial system.

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