求助好心人～英文翻译.

楼主你好!如果是一直在从事贸易工作的话,可以说

in office, i have been taking charge of trade, mainly responsible for alumina purchase and sales at home and abroad.

如果已经离职,把have 改为 had 即可 是过去完成进行时

希望可以帮到你!

如果目前仍从事这份工作的话 就用have been taking charge of trade即可 是现在完成进行时