德国汽车：美国报告2018年8月销售结果
VOLKSWAGEN OF AMERICA REPORTS AUGUST 2018 SALES RESULTS
https://www.volkswagenag.com/en/news/2018/09/VW_US_deliveries_Aug_18.html
Porsche Reports August 2018 U.S. Sales
https://www.volkswagenag.com/en/news/2018/09/Porsche_US_deliveries_Aug_18.html