The answer is that many of the words are English words that we surf, which some of us went out to listen to the sound until the foreigners do not understand or vote cast, the meaning has changed.
The answer is that there are many English words we recite. Who mispronounce some words we did not know about until foreigners. Or vote cast to make significant changes.
The answer is, there are many English words and the words we surf. Which some words we wrong pronunciation that foreigners can't hear you. Vote cast that meaning change.