把一块半透明的塑料片放在普通的面朝下的扑克牌上面，隔开这些纸牌，以防魔术师做手脚。

A translucent piece of plastic is placed on top of the ordinary face-down deck to isolate the CARDS and preclude the magician from any "tricky business."

youdao

把一块半透明的塑料片放在普通的面朝下的扑克牌上面，隔开这些纸牌，以防魔术师做手脚。

A translucent piece of plastic is placed on top of the ordinary face-down deck to isolate the CARDS and preclude the magician from any "tricky business."

youdao