OPH

例句：

1. 1.开放性问题
   Open-ended question
2. 2. 开放性协议
   Open-ended agreement
3. 3.开放性政策
   Open-ended policy
4. 1. The teacher asked an open-ended question to encourage the students to think critically.
   老师提出了一个开放性问题，以鼓励学生进行批判性思考。
5. 2.The company has adopted an open-ended agreement with suppliers to maintain long-term relationships.
   公司与供应商签订了一个开放性协议，以维护长期合作关系。
6. 3. The government is implementing an open-ended policy to promote economic growth and job creation.
   政府正在实施一个开放性政策，以促进经济增长和创造就业机会。