参加前请检查你是否已经拥有了此DLC，如果已经拥有请不要再参与。
Before you enter this GA, please check your library to see if you have already owned this DLC. If so, please do not enter.

获胜后请尽快激活并确认，谢谢！
After you win, please activate and confirm as soon as possible. Thank you!