The Hull House model: Previoulsy, social worked was based on a "Friendly Visitor" model.

赫尔馆的工作模式：在赫尔馆创办之前，社会工作是基于“友好访问”的一种模式。

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Let's look at the most obvious challenge in making a Web site friendly to an iPhone or Android visitor: the screen size.

让我们来看看要使一个Web站点对iPhone或Android访客具有友好性所面临的最为明显的一个挑战：屏幕大小。

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Stikkit is a perfect example for a user-friendly service which requires almost nothing from the visitor which is unobtrusive and comforting.

Stikkit是一个用户友好的极佳例子，它清晰易懂，且几乎不向访客索取任何东西。

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Ferreira thinks more cities will follow Cary and Mobile's example and invest in more tennis centers with more permanent staffs and visitor-friendly amenities, looking to increase tourism and improve resident's physical fitness.

FORBES: Magazine Article

Still, perhaps the best, and most eco-friendly, way to view Iguazu Falls is by walking to the trails from the visitor centre and hiking through the jungle's beautiful flora and fauna.

BBC: Eco-scorecard to the world��s great attractions