It is a question of focal adjustment, of a certain distance that the inner eye thrills to surmount, and a certain contrast that the mind perceives with a gasp of perverse delight.

• 诸位学生们请不要惊讶：小妖精的魔法如要显效的话，女孩和男人之间必须要有一定的年龄差距，至少十年，因该说，一般是二十年或者三十年，有的时候可以达到九十年。