他在那家工厂工作已经五年了。

His ___employment at that factory has lasted for five years.

这项技术的最佳用途是在教育领域。

The best ___employment of this technology is in the field of education.

公司宣布将扩大就业，提供更多工作岗位。

The company announced plans to expand ___employment by offering more job positions.