Previous experience in chemical products processing as an assistant, labourer or helper may be required for some occupations in this unit group.

本单元组的一些职业可能需要作为助理，劳动者或助手的化工产品加工的经验。

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As a rule, previous jobs of celebrities are noticeably different from their current occupations.

一般来说，明星们曾经从事过的职业都和他们目前的职业有很大的区别。

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