• A rapidly ageing population in many countries is also a contributing factor.

    许多国家人口迅速老龄化也是一个促进因素

    youdao

  • Germany's population is ageing, and the birth rate falling.

    德国人口老化出生率下降

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  • Population ageing is one of the most important problems is the world.

    人口老化当今世界重要问题之一。

    youdao

  • Population ageing is one of the most important problems is the world.

    人口老化当今世界重要问题之一。

    youdao

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