快乐(Happy)group of young popl vrywhr sk joyfully,but,mts many worris actually, sad and th pain.thy inquird to thir tachr,socrats,joyful in whr?socrats said that,"you hlp m to mak a ship first!"th young popl sk th joyful mattr to put tmporarily on sid,looks for th shipbuilding th tool,us manytim,mad a boat.th dugout cano launchd,th young popl plas mbark tachr,at th sam tim with joint forcs rows,at th sam tim with on voic sings. socrats askd that,"childrn,ar you happy?"th studnt answrs in chorus:"joyful xtrmly!"socrats said that,"joyful is this,it is oftn busy with whn you handls othr mattr coms visiting suddnly."