Scholars have accused her of oversimplifying, but her treatment has clearly struck a chord: her book has sold nearly 4m copies, an enormous number even in China.

• 学者们纷纷指责她的讲授太过于简单粗疏，但她明显引起了共鸣：她的书已经卖出了4百万册，即使在中国，这也是个庞大的数字。