本期内容：

China appointed a new chief securities regulator. Liu Shiyu, chairman of Agricultural Bank of China and former vice-governor of the central bank, replaced Xiao Gang, who was sacked—apparently blamed for months of stockmarket turmoil. The CSI 300 index of large-cap shares has fallen by more than 40% from its peak last June.

词义解析:

Appoint: 任命
Chief securities regulator: 证券会主席
Sack：解雇
Turmoil：动荡
Large-cap shares：大盘股