Attempts to correlate specific language functions with particular parts of the brain have not advanced very far.
试图把特定的语言功能和大脑特定区域相联系的努力还没有取得很大进展。
When people have to pay for care, they tend to wait until a condition is so far advanced that treatment is difficult, if not impossible, and the costs are much higher.
如果必须为医疗自掏腰包，人们有时会错失良机，等病情过于严重时才去就医，而那时已很难治疗，有的甚至为时过晚，费用也高得多。
They encourage people to delay seeking care until a condition is far advanced, and far more difficult and expensive to treat.
这会鼓励人们延迟求医，直到病情严重时才就医，而那时已很难救治了，并且治疗费用会很昂贵。
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