Mr Xu s view on the creative time of Ju Song is built on the foundation of misunderstandings, so its untenable.

许富宏先生就《橘颂》的创作时间问题同赵逵夫先生的商榷，建立在两种误读的基础之上，故而其观点是难以成立的。

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Mr Xu's view on the creative time of Ju Song is built on the foundation of misunderstandings, so it's untenable. Looking from the current documents, Mr. Kuifu Zhao's view is the most convincing.

许富宏先生就《橘颂》的创作时间问题同赵逵夫先生的商榷，建立在两种误读的基础之上，故而其观点是难以成立的。

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During the Song Dynasty (960 — 1279 A. D.), the most representative landscape painters included Li Cheng, Fan Kuan, Dong Yuan and Ju Ran.

宋代(公元960——1279年)山水画家最有代表性的要数李成、范宽、董源、巨然四人。

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