I have an experience as a foreign trade assistant for 4 years.

我做外贸业务助理有四年的经验。

youdao

So Winslow's father found him a job as an assistant in the trade of making and preparing pictures for printed media.

VOA: special.2010.07.25

He added that Mr Aslan had 17 years in the food trade and he and his assistant both had hygiene certificates.

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At the Belfast rally, organised by the Northern Ireland Committee of the Irish Congress of Trade Unions (Ictu), assistant general secretary Peter Bunting said Stormont must not "slavishly" cut back on the say-so of the government in London.

BBC: Anti-austerity marches take place

He was deputy assistant U.S. trade representative for Japan and China from 1988 to 1990.

FORBES: Naoto Kan