这种准备需要更长的时间，并且需要持续的较高的储蓄率才能维持。

This cushion would take even longer to accumulate, and would require a permanently higher saving rate to maintain.

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研究人员解释：研究参与者很难坚持长期的运动计划，表明较好的参与率才能更强的舒缓焦虑。

The researchers noted that study participants were less likely to stick with the longer exercise programs, which suggests that better participation rates result in greater reductions in anxiety.

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gordhan先生认为，南非在接下来的二三十年需要保持7%的年经济增长率才能扭解堆积成山的失业和贫困问题。可是统一的预料认为今年的经济增长速度应该环绕在3%左右，远低于gordhan所预计的7%。

The consensus forecast is now for growth of around 3% this year-well below the 7% Mr Gordhan says is needed for the next 20-30 years to dent South Africa's towering unemployment and poverty.

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