We only use these words when we have offended somebody and want to make a strong apology to the person for the offense. Sometimes as we are squeezing our way through a crowd and people there have to make room for us, we probably say these words. Since I come from a rather warm place, the cold weather here always makes me sneeze. If I do not, I will be afraid of being impolite to others who are near to me. Then we will feel comfortable when we are in these situations.
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