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.
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。
To make an investigation one, should go into matters deeply, not just scratch the surface.
做调查工作不能蜻蜓点水，要深入实际。
These examples just scratch the surface of the problem.
这些例子仅仅反映了问题的很少一部分。
That family can just scratch a living but never asks for charity.
那一家人仅能勉强度日，但却从不要求救济。
That family can just scratch a living but never asks for charity.
那一家人仅能勉强度日，但却从不要求救济。
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