The aim is partly aesthetic, but also an attempt to increase the value of neighboring homes by replacing signs of blight with greenery.
该目的一部分是出于审美需求，而且也是为了通过用绿色植物取代荒芜的迹象，来尝试增加邻近房屋的价值。
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The new research, published in the American Journal of Preventive Medicine, isn't the first to associate greenery with better health, but it does get us closer to identifying what works and why.