It's easy for a scientist to go in and not have a clue what he's doing, because that's what we do in the lab, but for a teacher not to know what's going to happen at the end of the
Es fácil para un científico no tener ni idea de lo que está ocurriendo, porque de eso se trata el laboratorio, pero para un maestro no saber qué ocurrirá al final del día... gran parte del