翻译工作者应通晓原文，更重要的是要精通用来进行翻译的语言。
The translator shall possess a sound knowledge of the language from which he/she translates and should, in particular, be a master of that into which he/she translates.
笔者认为应注意三个方面，即精通外贸英语、通晓外贸业务知识和熟练应用“7c”写作原则。
I believe that the following three aspects are very important: to master foreign trade English, to familiarity with foreign trade practice and to grasp the "7c" writing principles.
在今后的几年中，既通晓旅游管理知识又精通英语的涉外导游必将成为职场的热门人才。
In the following years, tour guides who grasp tourism management knowledge as well as fluent English skills will become more popular.
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