高昂的医疗费用、急诊室里漫长的等待，以及找不到初级护理医师，这些都只是患者每天面临的问题的冰山一角。

Crippling health care bills, long emergency-room waits and the inability to find a primary care physician just scratch the surface of the problems that patients face daily.

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如果我们要继续坚持初级卫生保健这一价值体系，就必须仔细审视一下这些以及其它与获取和公平有关的问题。

If we remain committed to the value system of primary health care, we must take a hard look at these and other issues pertaining to access and equity.

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这次会议的目标是，目前在初级保健与治疗方案，目前的临床数据，在关键问题上，以及对这些挑战管理。

The goal of this conference is to present current clinical data on key issues in primary care, along with treatment options to manage these challenges.

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It's a long sequence of instructions, it starts at the beginning, walks through, may jump around a little bit, but eventually comes down at the end. It's okay for the things you're doing for the early problem sets.

这是一长串指令，从开端开始，向前步行，偶尔来回跳一会儿,但是最终会走到结尾,这些足以解决最初级的问题。

麻省理工公开课 - 计算机科学及编程导论课程节选