It is the summer vacation now, and we are actively contributing to the infrastructure development of this city, adding bricks and mortar to its growth. Of course, that's just figurative language; in plain terms, it means doing manual labor.,Of course, this was just a small song Wang Ming sang on his way home from work. Wang Ming didn't take it seriously and continued walking through the still-hot evening sun towards a famous slum in Xi District of City A.,The gurgling water soon filled the entire hut. Through the translucent plastic curtain, one could see a dark silhouette twisting in the water, humming a little tune as if quite content.。