假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。错误仅涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏字符号(
)，并在其下面写出该加的词。
删除：把多余的词用(＼)划掉。
修改：在错的词下画一横线，并在该词下面写出修改后的词。
注意：1.每处错误及其修改均仅限一词;
2.只允许修改10处，多者（从第11处起）不计分。
Smile is a magic language that everyone can easily understand whenever he or she comes from. Smile is as the golden sunshine that brings warmth to people and makes him happy. Smile is shortest distance between people and it is a good way to show off friendliness to others. More important, smile conveyed a kind of positive energy to people. When you are happy, smile brightens your face. When you feel frustrating, you should also smile to cheer yourself up. Smile can give you confidences and make you strong. Smiling at the world and the world will smile back!