ある場所で蝶が羽ばたくと、地球の反対側で竜巻が起こる=初期条件のわずかな違いが、将来の結果に大きな差を生み出す
if a butterfly flaps at the specific point, a tornado will happen the opsite side of that point.=a little bit differences of the first stage condition are cosed of big differences in the future.