过去十年见证了通信技术的快速变化。

The last decade has seen ___rapid changes in communication technology.

随着人工智能的快速发展，许多行业正在发生变革。

With the ___rapid development of AI, many industries are being transformed.

该公司正在努力跟上市场扩张的快速步伐。

The company is struggling to keep up with the ___rapid pace of market expansion.