preference for those infants and teaches them to talk. with her love and care, those lucky infants are growing up healthily day by day. she hopes that they can contribute for the society in the future. what a wonderful dream. hopefully her dream could come true some day.last but not the least, from those series i also learned the grass-roots society. inside myself, a heart is growing, a heart not only beats for myself but cares for others as well. i once volunteered to be an english teacher in a primary school for children of migrant workers. the volunteer work gave me a precious little chance of saying thanks to people like the children’s parents who construct highways and underground, build up modern skyscrapers and make our cities more and more beautiful. to help the children with their english is what i can do at present to show my gratitude to those unsung heroes. the world may not be fair to them, so privileged and blessed people like me are obliged to do whatever we can to help make their life better. whatever i do for them, i know it can’t be compared with what they have done to improve the quality of life in our cities…

　　all in all, i can not enumerate all great examples of those unsung heroes all at once. here, i would like to say that all of us should salute to them. the salutation represents our appreciation, gratitude and respect from the deep of our hearts indeed.