A large earthquake far away will feel like a gentle bump followed several seconds later by stronger rolling shaking that may feel like sharp shaking for a little while.

远处大地震的感觉象轻微的碰撞，几秒钟后继以强烈一些的摇动，并将持续一段时间。

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So, Bernanke would opt for June, rolling out QE3 just far enough away from the election so as to avoid being accused of election engineering.

FORBES: Why More QE Isn't Coming