Most Americans would not be happy without a color television, two cars, and working at an extra job.
帮我看一下这句哪儿有错误? 谢谢!
Most Americans would not be happy without a color television, two cars, andan extra job.
删去working at。原句违反了平行原则，将名词与动名词并列。删去动名词后意义不变，三个名词并列。