Completely in the safety of a studio, and yet with the green screen we can have some moving image that a skydiver took, and put in the sky moving and the clouds whizzing by.
完全在安全的工作室内， 而通过使用绿屏，我们能在跳伞者后放上些移动的画面， 放些移动的天空和呼啸而过的云彩。