We want to write skill good word, easy also, difficult also, easy is, too much tool can be used now, for instance good copybookThe word is written can disappear automatically, can use repeatedlyAdvanced order make, need you a few days 20 to be able to drill only a skill good wordBetween empty Yu Shi, can drill practice calligraphy, ceaselessly exercise and hold to, it is very important to hold onCan practice repeatedly, give appropriative pen core