这要追溯到B.F.斯金纳,一位活跃在上世纪前期的心理学家

This refers--this actually goes back to B.F. Skinner, a psychologist who flourished in the first half of this century.

youdao

This refers--this actually goes back to B.F. Skinner, a psychologist who flourished in the first half of this century.

这要追溯到B.F.斯金纳,一位活跃在上世纪前期的心理学家

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