✔ 最佳答案
求其改錯:
If you are a selfish person, nobody will like you. Besides, helping people is a happy thing. That's why we should help people more often.
精益求精:(因為上面只係冇語法錯誤, 但仍然係 Chingish, 如果想似樣d, 就轉個講法)
If you are being selfish, nobody is going to like you. Moreover, helping people out will make you happy. That's why we should offer help to others more often.