Powerful battery-powered bicycles are crowding out their push-pedal brethren, delivering a jolt to the Bicycle Kingdom.

拥有电池强劲驱动的电动自行车正在将普通脚踏自行车挤出市场，改变了整个自行车王国的格局。

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In the trading action since the speech, short sellers aggressively stepped in to short 3D stocks as they approached their highs, and have continued to push the pedal.

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Push down on the brake pedal forcefully and keep your foot down until you stop.

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Which allows me to back pedal if you are upset, or push forward if you are less upset than I thought you would be.

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