一些刺激政策的效应会递减，一些着眼长远的政策收到成效需要时间。

Some of the stimulus measures will see their effect wane, and it will take time before those long-term policies show effect.

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四是一些刺激政策的效应会递减，一些着眼长远的政策收到成效需要时间。

Fourthly, the effect of some of the stimulus measures will wane, and it will take time for those long term policies to show effect.

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然而，从长远来看，许多政策是必需的。

Yet in the long run, many of those policies are needed.

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