-
1.The depth-area relationship between the two countries is complex and needs to be carefully analyzed.
两国之间的深度区域关系复杂，需要仔细分析。
-
2. The research on the depth-area relationship has significant implications for our understanding of the world.
对深度区域关系的研究的意义重大，有助于我们理解世界。
-
3. In this study, we will explore the depth-area relationship between climate change and human activities.
在本研究中，我们将探索气候变化与人类活动之间的深度区域关系。