modality of foreign aid

例句：

1. 1. The government's policy is based on the principle of moderation.
   政府的方针基于中庸原则。
2. 2. The teacher emphasized the importance of moderation in learning.
   老师强调了学习中中庸的重要性。
3. 3. The company's strategy is characterized by its moderation in spending.
   该公司的策略以其支出的适度为特点。