As the only teacher in Shaniping Primary School, which was closed because of COVID-19, Huang went to 7-year-old Zeng Yufen's home.

作为因新冠肺炎疫情而关闭的沙泥坪小学的唯一一名老师，黄老师来到了7岁的曾雨芬家。

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To cut costs, Luochuan has closed down nearly half of its 320 primary and middle schools since 2003, resulting in lay-offs for more than 700 teachers and forcing many more children to board.

为减少成本，自2003年起洛川县320所小学和中学关闭了将近一半，致使700多名教师下岗，迫使更多的学生寄宿学校。

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With proprietary, closed-source software, your primary moneymaking plan is to sell licenses, and possibly do some custom work for specific customers.

使用专有的、封闭源代码的软件，您的主要赚钱计划将是卖许可证以及可能为特定客户做一些自定义的工作。

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