Therefore, when you read every single writing, you have to try to get the full understanding of it. In other words, firstly, you have to doubt about the meaning by reading it many times. Secondly, you have to verify your doubts, by practicing it in your real life. Finally, when you cannot make your doubts solved obviously or when you meet results which are different from your expectations, please let me know them. You can put your tags on the very article or you can e-mail me to 'email@example.com'.