It's like a city park, maintained and expanded as needed.

这就像一个城市公园，保持和扩大需要。

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WHO-recommended preventive interventions need to be maintained and expanded.

必须继续坚持并推广世卫组织建议的预防性干预措施。

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The two sides have maintained relatively frequent exchanges of top-level visits, expanded areas of cooperation and achieved remarkable results.

双方保持了比较频繁的高层互访，合作的领域进一步扩大，合作的成果也比较显著。

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"The fact it's going to be maintained and expanded will be good news for people in the surrounding area, " said Vale of Glamorgan council leader Gordon Kemp.

BBC: Vale of Glamorgan Council welcomes St Athan commitment

Thus, how power can be obtained, maintained, and expanded is the dominant concern of key players in any political system.

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Opinion polls taken in the aftermath of Olmert's announcement of the cease-fire on Saturday night showed that Likud has maintained, and even expanded, its lead against Kadima and Labor.

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