directional valency

例句：

1. 1. The company's strategy is to increase its market share in the directional valency of emerging markets.
   该公司的战略是增加其在新兴市场的方向性价值。
2. 2.The research on the directional valency of social media has shown that it can significantly influence public opinion.
   关于社交媒体的方向性价值的研究表明，它能够显著影响公众意见。
3. 3.The new policy aims to enhance the directional valency of education by providing more opportunities for students to engage in practical activities.
   新政策旨在通过提供更多让学生参与实践活动的机会来增强教育的方向性价值。