We have not lost anyone's solid professional knowledge, customer service, and a happy heart.
有着不输给任何人的扎实的专业功底，和一颗乐于服务客户的心。
So to lay a solid foundation of professional knowledge.
因此打下扎实的专业基础知识。
Solid English fundamental knowledge contains native-like accent, standard grammar and professional diction.
夯实英语基础知识包括语音的纯正性、语法的规范性、遣词造句的专业性等。
Solid English fundamental knowledge contains native-like accent, standard grammar and professional diction.
夯实英语基础知识包括语音的纯正性、语法的规范性、遣词造句的专业性等。
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