Du Ru stood at the front gate of Beijing's First Cotton Textile Factory. An old man sat at the entrance, staring intently at the stranger as if he were a thief.,After a while, Lao Zhou came out of the security room. Facing Du Ruo, his face softened.,The family courtyard was far from the main gate. Lao Zhou worried that Du Ruo might forget, so he asked anxiously, "Did you remember Shall I say it again"。