Pork prices drop last week.

上周猪肉价格有所下降。

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The traffic increase comes at the same time as gas prices drop significantly.

交通流量增加的同时，汽油价格大幅下跌。

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The selling prices drop away from the state purchasing prices.

购销价格倒挂。

《新英汉大辞典》

With competition, experts expect prices to drop, making smartphones much more accessible to consumers around the world.

VOA: standard.2010.06.25

Last week saw positive U.S.economic news, with increases in home sales and housing prices, a jump in manufacturing activity, a drop in new jobless claims, and a new growth figure showing the economy shrinking far less than had been anticipated.

VOA: standard.2009.08.02

The back side says that prices drop 30% to 40% per year at a constant performance.

FORBES: Magazine Article

Others use financial hedges, but these are pricey and can backfire if oil prices drop.

ECONOMIST: Airlines stand to lose heavily should the euro collapse

When their share prices drop to attractive levels, we call these opportunities Fallen Angels.

FORBES: Citi: A Fallen Angel Worth A Wing And A Prayer