During the past with the present, we should take into consideration the very future, it's up to the present. The past we cannot minimize the bird back to fix it. Should the current best.
Between the past and the present, we should take into account the current offering. For the future, it is up to date. Historically, we can not shrink back to fix it. Do the best
Between past and present, we should consider the current. Because the future is based on the present. We can't let down the past to revise it. Do the best.