打赌出现更高波动率的代价可能仅是提高这样的代价。
The expense of betting on higher volatility may simply be putting them off.
他们发现在所有这三种情况下,交易量与高波动正相关。
They find that in all three cases trading volume is positively correlated with higher volatility.
她说:“使得全球对食品价格提升关注的正是食品价格的高波动性。”
It is higher volatility that has again raised global concerns over food prices.
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