投资者由于持仓的限制会对合约条件更加挑剔，这可能会引起市场流动性变弱，并加剧了经济波动。

Investors will become pickier about the contracts they enter into as a result of the limits, which may cause markets to become less liquid, worsening volatility rather than reducing it.

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在期货合约中，既能抵御违约风险又不影响市场活跃性的条件下，保证金水平的设置至关重要。

In futures contract, margin levels setting is vital in the condition of protecting against default risk and not affecting market liquidity.

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