5、乡经济建设步伐,推进农业产业化、标准化进程 Air pollution Wecanmakecarsthat(don’tpollute)theenvironment。Wecanaskthecompaniestouse(modernandclean)technology。 Wecan(limit)thenumberofcarsinourcity。Ifpeoplegetsickfromairpollution,wemust(help)them。 Water pollution Wecantrytouse(le