中文摘要：

本文先利用Dobrushin系数的定义和Fubini定理证明一个不等式，相应地给出连续状态马氏链Dobrushin不等式的一个证明．

英文摘要：

In this paper, a proof of an inequality is given by using the Dobrushin coefficient and Fubini theorem. Accordingly, a proof of Dobrushin inequality for continuous-state Markov chains is provided.