暴风雨后，这栋建筑遭受了严重的结构损坏。

The building suffered severe ___structural damage after the storm.

公司实施了结构性的变革以提高效率。

The company implemented ___structural changes to improve efficiency.

自金融危机以来，香港经历了各种结构性的变化。

Hong Kong has experienced various ___structural changes since the financial crisis.