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Lesson One Why Import and Export£¿TextGrammarExercisesSupplementary ReadingKey to ExercisesTranslation of the TextTranslation of the Supplementary ReadingLesson Two Comparative Advantage and International TradeTextGrammarExercisesSupplementary ReadingKey to ExercisesTranslation of the TextTranslation of the Supplementary ReadingLesson Three What Problems Does Industrial Development Cause£¿TextGrammarExercisesSupplementary ReadingKey to ExercisesTranslation of the TextTranslation of the Supplementary ReadingLesson Four Keep Up with the JonesesTextGrammarExercisesSupplementary ReadingKey to ExercisesTranslation of the TextTranslation of the Supplementary ReadingLesson Five AccountantTextGrammarExercisesSupplementary ReadingKey to ExercisesTranslation of the TextTranslation of the Supplementary ReadingLesson Six Countries of the WorldTextGrammarExercisesSupplementary ReadingKey to ExercisesTranslation of the TextTranslation of the Supplementary ReadingLesson Seven Trade BarriersTextGrammarExercisesSupplementary ReadingKey to ExercisesTranslation of the TextTranslation of the Supplementary ReadingLesson Eight Settling of Trade DisputesTextGrammarExercisesSupplementary ReadingKey to ExercisesTranslation of the TextTranslation of the Supplementary ReadingLesson Nine Foreign Trade ProblemsTextGrammarExercisesSupplementary ReadingKey to ExercisesTranslation of the TextTranslation of the Supplementary ReadingLesson Ten The Exchange of Goods and ServicesTextGrammarExercisesSupplementary ReadingKey to ExercisesTranslation of the TextTranslation of the Supplementary Reading