#昂立share#Ready?三遍以上才算过关！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。学吹笛的问导师：“吹笛难还是教两个学吹笛的人吹笛难呢？
