他说“那时我家在那，如果我想花钱，就必须自己挣。”斯金纳的父亲是为砖匠。

"I was in a family where, if I wanted to have any spending money, I had to work," says Skinner, whose father was a bricklayer.

youdao

他说“那时我家在那，如果我想花钱，就必须自己挣。”斯金纳的父亲是为砖匠。

"I was in a family where, if I wanted to have any spending money, I had to work," says Skinner, whose father was a bricklayer.

youdao