假定英语课上老师要求同桌之间交换修改作文，请你修改你同学写的以下作文。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：把多余的词用斜线（\）划掉。
修改：在错的词下划一横线，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。
If you park your car in the wrong place, the traffic policeman will soon find. You will be very luck if he lets you to go without a ticket. Therefore, this does not always happen. Traffic police are sometimes very politely. During a holiday in Sweden, I find this note in my car: 'sir, we welcome you to our city. This is a "No Parking" area. You will enjoy your stay here if you pay attention to your street signs. This note is only a reminder.' Whether you receive a request like this, you can not fail to obey it!