计划和差公式简介：The four of them walked as they talked, and soon returned to the boys' dormitory. Naturally, it was impossible for the boys' dormitory to have a sign prohibiting girls from entering, so the two women naturally walked in together.
The four of them walked as they talked, and soon returned to the boys' dormitory. Naturally, it was impossible for the boys' dormitory to have a sign prohibiting girls from entering, so the two women naturally walked in together.
