Everyone had a stress in the first of speaking public. There are many difficulties the speakers are suffering from them. The first difficulty is that you must use another language not your native language, such as in the UAE we must use the English language in the presentations. Another difficulty is that almost of speakers are feel a stress when they do the first presentation, but often the stress are go away after several attempts. One important difficulty is that the speakers must to speak loudly. Likewise, they must to connect with the people by their hands and eyes. Thanks for reading.
