This project will be completed within four months, but there is some flexibility in the time interval. We also think that the new system would be useful, at least to those not.
The project will be completed within four months. However, there is some flexibility in that period. We also think that the new system will have the least useful to users.
This project will be completed within four months. But there are some flexibility in the period. We also think that the new system will be helpful for at least the right .