求翻译：8．The government denies the one-child policy was irrelevant. It insists that, thanks to the policy, 400m births were averted which would otherwise have taken place, and which the country could not have afforded. Ma Jiantang, head of China’s National Bureau of Statistics, insisted “the momentum of fast growth in our population has been controlled effectively thanks to the family-planning policy.”是什么意思？

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