Is it good or bad for the gray butterfly to fly in?

It would be nice if the gray butterfly flew in. Grey butterfly is usually regarded as a symbol of good luck, and its appearance is usually regarded as a positive omen, which indicates that good luck and happiness are coming. In addition, the gray butterfly is also regarded as a symbol of hope. Its appearance can bring hope and light and inspire people to move forward. So it's a good sign that the gray butterfly flies in. This answer is for reference only. Don't be blindly superstitious.