grammar
needs improvement
Why would it?
This site needs constant improvement.
Click on "Flag for Improvement" in the blue box to the left of the question.
If you go to a local home improvement store you can put in a special order to fit your needs. I recently did this with a bath tub to fit certain needs for myself. It may cost you a few extra dollars, but it is the easiest way to solve the problem.
We collect data to see what needs improvement.
We collect data to see what needs improvement.
"Baffled" means confronted by a situation that needs improvement but unable to imagine how to achieve the improvement needed.
I read a lot, take courses, have trained myself in how to research things, listen to others with experience and try things out for myself.
Improvement needs a time scale. It means an amelioration over time. The time travel, by removing the time-scale rigidity, forbids further improvement - if I improve tomorrow, the machine will bring the improvement yesterday, thus it was not an improvement.
it was an improvement because it helped with important things like hunting for food
You will need to know what materials are allowed on your roof. You can determined that at your local home improvement store.