Of course, options market participants are already wise to this, and option premiums are high enough to deter many investors from making use of plain-vanilla volatility swaps.

当然，期权市场参与者对此很明智，期权定金很高足以阻止许多投资者利用单纯型选择权波动交换。

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With a nearly vanilla Android experience, sturdy though unattractive chassis and appreciable resolution, it's a considerable option for globe-trotters with less intense mobile needs.

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