How much dew would a dewdrop drop if a dewdrop could drop dew？

如果一颗露珠会掉下露水，那么一颗露珠会掉下多少露水呢？

A tutor who tooted a flute tried to tutor two tooters to toot. Said the two to their tutor， “Is it harder to toot or to tutor two tooters to toot？”

一个吹笛的导师尝试教两个吹笛者吹笛。那两个学吹笛的问导师：“吹笛难，还是教两个学吹笛的人吹笛难呢？”