本期内容：

The Volkswagen emissions-test scandal smouldered on. German prosecutors expanded the number of employees under investigation to 17, though they have yet to find firm evidence that senior executives knew about the rigged software in diesel cars that yielded false test readings. French authorities opened a formal inquiry into “aggravated fraud”. Michael Horn, VW’s chief in America, where the scandal started, resigned.

词义解析:

Emission: 排放
Scandal：丑闻
Smoulder：闷然
Prosecutor：检方
Rigged：被操纵的
Diesel：柴油
Aggravated fraud：严重诈骗