to achieve something very difficult
lograr algo muy difícil (lograr algo muy dificil)
"With determination, you can move mountains."
"Con determinación, puedes mover montañas." (Kon determinacion, puedes mover montanas.)
To change direction or strategy to adapt to the market.
something that is expected to happen soon
a very small difference between two things
something done out of passion, not for money
being considered for elimination or discontinuation
A very complex or unsolvable problem.