C3409 Victory in Stability

The square umbrella has a good side and should have a bad side.

"Everything has two sides, I think the square umbrella also has something lacking, right?" Qin Luo narrowed his eyes and asked tentatively.

Although they did not want to admit it, they had to admit that what Qin Luo said was true!

The square umbrella had a good side, but also a bad part.

"Professor Qin, in essence