laborious
laboriously laboriousness labour Labour augmenting technical progress Labour economics labour exchange labour force Labour force participation rate Labour force schedule Labour hoarding Labour intensive labour leader Labour market labour-market labour movement labour of love labour party Labour power labour relations labour-saving Labour - saving techniques Labour standard Labour supply Labour surplus economy Labour theory of value Labour turnover laboured labourer labouring |
laborious /lə'bɔ:riəs/
tính từ
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