This book is one of the volumes in the series "Oral History of Compilation & Translation of Marxist Classics" of the National Publication Foundation. It contains the memoirs of senior translator Mr. Zhang Zhongpu on his job to translate Marxist classics. It, in this way, shows the public the great practice of the cause of compiling, translating and disseminating Marxist works, as well as the meticulous and enthusiastic working principles of the translators in their collective study, translation and proofreading. The readers will be impressed by their commitment to excellence.