Definition: In this task, you will be shown an incorrect English sentence. You need to generate a corrected form of the input sentence.
Input: By keeping his focus on one industry and one subject , he ensures that he is up-to-date and fully aware of all the current happenings in the industry or subject . 

By keeping his focus on one industry , or one subject , he ensures that he is up-to-date and fully aware of all the current happenings in the industry , or subject . 