I've done the scrutiny of market data, and I've found that, indeed, the washing machine has penetrated below the air line, and today there's an additional one billion people out there who live above the "wash line."
我已经细查了市场数据， 事实上，我发现 洗衣机已经覆盖了低于航空线之下的人们， 目前另外10亿人生活在那组 他们生活在洗衣机线之上。