A good teacher has been defined as who makes himself progressively unneces-sary.
A good teacher has been defined as who makes himself progressively unneces-sary.
一个好的老师,就是使他自己渐渐地不再被需要。
A good teacher has been defined as who makes himself progressively unneces-sary.
一个好的老师,就是使他自己渐渐地不再被需要。