in addition,one is less likely to be under great pressure from career,family and health problems when young. therefore,a fresh mind plus enormous energy will ensure success in different aspects of life. of course,we all know:no pains,no gains. if we don't make every effort to make good use of the advantages youth brings us,it is impossible to achieve any goals. as students,we should now try our best to learn all the subjects well so that we can be well prepared for the challenges that we will face in the future.