If a spaceship were to land on Earth, only one in five would accept an invitation to board, as Richard Dreyfuss did so enthusiastically in Close Encounters of the Third Kind.

• 假如有一艘宇宙飞船要在地球降落，每五个人里面只有一个会像《第三类亲密接触》中理查德·德雷弗斯所做的一样，非常热切地接受邀请登上飞船。