This is the 35th most frequent Chinese word.
发展
"Development" or "to develop."
Here, '发展' is a noun describing the process of technological advancement.
科技的快速发展改变了我们的生活方式。
The rapid development of technology has changed our way of life.
In this context, '发展' is a verb meaning to enhance or expand something, such as relationships.
我们需要进一步发展对外合作关系。
We need to further develop our foreign cooperation relationships.
In this sentence, '发展' is used as a noun referring to the process of economic progress.