Levels of some toxins in fish have declined, but others pose new risks.

有些有毒物质在鱼体的含量已经下降了，但是其他的却产生了新的风险。

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In fact, because inflation has declined, investors in Britain and America have been overcompensated for the risks—a windfall gain that has been exploited by followers of the carrytrade.

实际上由于通胀的下滑，这些货币的投资者所得到的补偿已经超过了所承受的风险。 成为后来跟进的套息交易者的一笔意外横财。

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Risks declined steadily over time, such that the cumulative excess risk of myeloid leukemia was no longer statistically significant at the end of the follow-up period.

风险随着时间的推移逐渐下降，这样的累积粒细胞白血病过剩风险已不再显着于期末的后续行动。

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Over the past year, as interest rates have inched up and there have been concerns about credit quality, the price of some bond funds has declined as these risks all reared their heads.

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And as a result of these market risks, equity values in China have declined.

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Over the past two decades, both household and national savings rates have declined sharply in the rich world, even as lengthening lifespans have added new risks to retirement (see chart).

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