"You humans use a great number of words to say simple things."
Humans use many words when few would serve far better.
Humans use more technology than any other animal on Earth ever has.
Humans also use stories instead of money to pay taxes.
These plants have not been determined on what humans can use them for.
Smell was something we humans didn't really use at all, not like this.
They believe that humans can and should use these technologies to become more than human.
Plants that humans use for food are of high economic importance.
Only humans use language, though many other animals communicate in various ways.
In other words, talk is cheap - and so, perhaps, were the first things humans used it to say.