Because if we don't do that the time table which we should review the lesson. What time should I aim to subject, it may be, we do not have a full effect. The final result may not succeed, something.
Because if we do not have the time table that we should review the lessons. What time should be about. It may make us do not have the matter fully. The final result may not be successful one.
Because if we don't schedule at that time we should review the lesson. When it is time to focus on work. Can we do any matter doesn't work hard. The end result may be not successful one.