Private firms need everyone from " engineers to unskilled labour" , says Mr Knudsen.

克努森表示，私营企业需要从“工程师到非熟练劳动力”各个岗位的人。

But whereas it had to provide machinery and skilled labour itself, the unskilled labour of Africans was given to it by the colonial state, practically free.

但是，尽管它必须自己提供机器和熟练劳动力，但非洲的非熟练劳动力却是由殖民国家提供的，几乎是免费的。