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。
I still remember my first day of school when I am introduced to the concept of labor education. At the first, I didn't understand what it was necessary for us to learn how to plant trees and fix things around the school. However, as I participated in these activities, I gradual appreciated the value of learning practical skills. Not only did it teach me the importance of teamworks and responsibility, but it also allowed me gain a sense of satisfaction. I am grateful with the opportunities that school labor education provided to me, but the lessons I learned will always stay with me. Overall, I believe that experience labor activities is beneficial for myself.
