Read the eighty or ninety chapter of the Law of construction

Eighth chapter (P142 8.3)

Question: From the book you can see the user's ideas project managers are often not able to grasp, or even the opposite. And the idea of programmers and project managers can sometimes be a bit out of the way, so does it make a little interaction between programmers and users?

Nineth Chapter (P173 9.1)

Question: Can you understand that the product owner is the project manager, because they are both doing the same job.

Tenth chapter (P183 10.1)

Problem: Read the book, feel that the user's needs are difficult to grasp, and sometimes the real needs of users will change with the time or the user's ideas, then how can we correctly grasp the real needs of users?

Read the eighty or ninety chapter of the Law of construction