How to integrate people's voice into the 14th Five-Year Plan

Since 1953, China has formulated and implemented 13 five-year plans. The upcoming 14th Five-Year Plan (2021-2025) is attracting a lot of attention as it will be the first such plan after China accomplishes building a moderately prosperous society in all respects and realizes its first centennial goal by 2020. How to integrate public advice into a top-level policy blueprint like this?