Usages of unus
Unus homo in via solus ambulat; pluvia frigida cadit, igitur domum currit.
One person walks alone in the street; cold rain is falling, therefore he runs home.
In bibliotheca unus homo quiete sedet et librum veterem legit, igitur schola tota tacet.
In the library one person sits quietly and reads an old book, therefore the whole school is silent.
Elon.io is an online learning platform
We have an entire course teaching Latin grammar and vocabulary.