表面上看是沟通问题，但实际的根本原因是缺乏尊重。

On the surface it's a communication problem, but the ___underlying cause is a lack of respect.

工程师们需要检查桥梁下方的混凝土结构是否稳固。

The engineers need to inspect the ___underlying concrete structure of the bridge for stability.

投资者应该关注公司的基本面而不是短期市场波动。

Investors should focus on the ___underlying fundamentals of the company rather than short-term market fluctuations.