ce and background, so the Junior High concepts were still challenging for them. Without his help with the practice exercises, they would likely struggle to solve even ten problems. Even if he wrote ou...轉碼失敗！請您使用右上換源切換源站閱讀或者直接前往源網站進行閱讀！unicate with their department and get them to change venues." Liu Menghui said with his white teeth showing. His words seemed to carry an invisible magical power and energy that leaves no room for deb...