A single case of meningitis can cost a household the equivalent of three to four months of income.

只要家里有一人患脑膜炎，医疗费就会相当于全家3至4个月的收入。

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Of course, just because a town's median household income is high, and it has a high ratio of single people, doesn't mean it's necessarily a gold-digger 's dream.

当然，仅仅因为一个城市的家庭收入中值高并且单身人士比例高，并不意味着那里就是拜金男或拜金女的理想之地。

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One would think an extra income contributed by a grandparent joining the household would help single-parent or even double-parent families.

CNN: Economy sends more kids to grandma's house

In particular, the 35-percent top rate began at the same level of taxable income for joint, single, and head of household filers.

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