无经济支持的母亲们是申请福利的群体中人数增长速度最快的一部分。
Unsupported mothers are one of the fastest-growing groups of welfare claimants.
但是澳大利亚同样也是世界上人口增长速度最快的国家之一，它的人均GDP增长在这段时间就不比日本快。
But Australia has also had one of the biggest increases in population; its GDP per head has grown no faster than Japan's over this period.
——中国是新能源和可再生能源增长速度最快的国家。
China has enjoyed the fastest growth of new energy and renewable energy.
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