In reindeer, even if they're missing a circadian clock, melatonin levels still spike when it's dark and drop when it's light, making the equinoxes an ideal time to synchronize their annual clocks.

而驯鹿呢，虽然它们没有昼夜节律钟，其褪黑激素水平仍然会在黑暗的时候上升，光亮的时候下降，从而使它们的昼夜分点达到理想状态，进而与年生物钟同步。

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Reporting a further drop in domestic pork prices and warning against diminishing hog-breeding incentives that could lead to a spike in prices later in the year.

报导称，中国国内猪肉价格进一步下跌，并警告称养猪激励措施不断减少可能会导致今年晚些时候肉价飙升。

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Growth wobbled in the second quarter of this year for various reasons (a spike in French imports and a drop in German construction, for example).

由于各种原因，经济增长率在今年的第二个季度有所波动(例如，法国进口的受挫和德国建筑业的下滑)。

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And to one way of thinking, extending the time might reduce the likelihood of any wild drop (or spike).

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Several dealers said they had heard the market movements even prompted a large Japanese bank to sell a huge amount of JGBs on Friday, contributing to the temporary drop in prices and spike in yields.

WSJ: Japanese Markets Awaken With Wild Swings

Indeed Clear Capital has tracked a direct correlation between REO saturation and market prices: when REOs spike, prices drop.

FORBES: Is A Double-Dip Housing Market Old News?