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Gretchen S. Hirsch
Books by Gretchen S. Hirsch
Talking Your Way to the Top
Business English That Works
What's the difference between ambiguous and ambivalent? When is it right to say he and I, and when is him and me correct? What's the most important part of a voice mail message? What's the one mistake that's guaranteed to make an audience fall asleep during your presentation?Whether you're the CE...