中国的崛起和俄罗斯的复兴挑战了自由民主是唯一可行的政府形式的观念。
The rise of China and the resurgence of Russia have challenged the idea that liberal democracy is the only viable form of government.
The work is always in conversation with other works.
大萧条是20世纪历史上的一个决定性时刻，理解其原因和后果仍然是经济学家的一项重要任务。
"The novel is a mirror that reflects the soul of society."
