If you want to leave a deep impression,you must follow the steps below:First of all, you should kee yourself clean and tidy.You should give the other people a fresh impression with clean face,white teeth and neat hands as well.Second,you should wear very clean clothes. Although the clothes is not fashionable,it should be clean and tidy.Third,you should be good at talking with lot of knowledge and humor.That is very important if you want to leave the other people a deep impression.And last, you should be helpful, generous , friendly and polite.The last one ,perhaps,is your attitude towards the other people and to the world as well.I think,if you are very optimistic and self-confident in your life,you will certainly welcome by the people around you.