也门的交通和教育现状。
一些州的新做了许多好事，他们修路铺桥，兴办学校和医院，他们改善了交通和教育，他们把钱贷给企业修铁路。
The new state governments did many good things. They built roads and bridges, schools and hospitals. They improved transportation and education. They loaned money to companies to build railroads.
医疗、教育、交通运输和就业等领域排队问题的解决方案很复杂。
The solution to queues in the fields of healthcare, education, transportation, and employment is very complicated.
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