"By following individuals over time," Salthouse said, "we gain insight in cognition changes, and may possibly discover ways to slow the rate of decline."

索尔特豪斯说：“随着时间的推移，我们通过跟踪个体对认知变化有了更深刻的认识，并可能找到延缓认知速度下降的方法。”

youdao

The rate of decline is slow, at less than 1% per year.

下降速度缓慢，每年降幅不到1%。

youdao

And there are reasons to expect the rate of decline to accelerate.

并且有理由预期下跌的速率还会加快。

youdao

"Certainly the good news is that the rate of deaths of children under five years of age continued to decline in two thousand eight.

VOA: special.2009.09.28

The rate of decline in industrial output in Spain increased in February, according to official figures.

BBC: Spanish factory

The research firm said the rate of decline in manufacturing "showed signs of moderating".

BBC: Eurozone manufacturing sees 'signs of moderating'

However, in the long run we expect the rate of decline in volume to be around 2-3%.

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