大象传媒 Learning English - bbc_qanda_labour_labourer_workforce_worker.wav - 大象传媒 Sounds

大象传媒 Learning English - bbc_qanda_labour_labourer_workforce_worker.wav - 大象传媒 Sounds
bbc_qanda_labour_labourer_workforce_worker.wav
A programme explaining the differences between labour, labourer, worker, workforce