进一退二法倍投法简介：Uncle Duan was also puzzled. Although he also sided with Zhang Jing, he was forced by Zhang Jing's previous promise to him. Originally, he was unwilling to attack the Dong Qi court.
Uncle Duan was also puzzled. Although he also sided with Zhang Jing, he was forced by Zhang Jing's previous promise to him. Originally, he was unwilling to attack the Dong Qi court.
