You will have a good idea today, but it is only within the scope of creativity. You don't have a complete idea of how to realize it! You should discuss with everyone more, and let's find a way together.
Dreaming of bird droppings and mosquitoes on the roof is a guess:
Although Hui Ze was trained by his elders or superiors, he could develop successfully for a period of time. However, due to poor infrastructure, he has to guard against fire, and the situation is absolutely unstable, especially in traffic, which is prone to disasters. Families are also prone to chaos, and they are vulnerable to weapons because they offend people. Good luck is better than bad luck.