On the other hand, visual environment is information source to restrict people's behavior.

另一方面视觉环境是人获取信息的来源，限定人的行为。

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Results The main source of drinking water there is river(68.7%), hand-pressed wells(7.7%) and tap water(23.6%).

结果当地居民饮用水来源主要为河水（占68.7%），手压井水占7.7%，自来水占23.6%；

youdao

Results The main source of drinking water there is river(68.7%), hand-pressed wells(7.7%) and tap water(23.6%).

结果当地居民饮用水来源主要为河水（占68.7%），手压井水占7.7%，自来水占23.6%；

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