Translation of Minus

Before I continue, I want to reiterate that Hugo's software is intended for learning processes which must result in high quality product in short learning time. It also reaches minimum overhead time.
Every school has some narrow minded teachers who are not willing in investing in progressive educational process. They do not grasp that schooling methods today are different from last century's methods.
My wife joined me two hours later and everybody went to breakfast. The plan for the day was to visit a cave on one of the islands. We took smaller boats to get there as the ship was too large to approach the island.