Perhaps, you always are unknown, the forgotten role of self-righteous, do you ever change the status quo, to see the polite greetings, classroom bold show their point of view it!

• 或许，你一向是默默无闻，自以为是被遗忘的角色，你是否想过改变现状，见到礼貌的打招呼，课堂上大胆的表露自己的观点呢！