Secondly, it introduces and evaluates the comparisons of the causes of the educational system in the westen countries.
评介该书关于国家教育制度形成多种原因的比较；
2
Jia Yi is a famous political commentator and writer in early times of the Westen Han Dynasty. His works include essays, named Xin Shu and a few pieces of fu.
贾谊为西汉前期著名的政论家兼文学家，传世之作有《新书》等散文及辞赋数篇。
3
It is one of the key items to stabilize the pipes when building pipelines in the swampy areas of Westen China, where the geological and climate conditions are complicated.