Měi ge tuán dōu yǒu zìjǐ guānfāng de yìngyuánbàng.
Every K-pop group has its own official light stick.
Tips
culture
应援 comes from Korean 응원 ("cheering"), imported via K-pop fandom culture in the late 2000s. Each group's branded light stick has become a status object among Chinese idol fans.
