translation.en: I remember, I went to a poor school, because my mother could not gather the 21 rupees, that half a dollar that was required within the stipulated time.
translation.zh: 我记得，我去一所贫穷的学校 是因为我妈妈不能在限定的时间里， 筹到所需的21卢布， 相当于2分之1的美元。