He’s doing a month’s unpaid work experience with an engineering firm.

正在一家工程公司无偿工作一个月以获得工作经。

He obtained experience through practice.

过实践获得了经。

I gained my experience.

我获得了经。

As a holder of this visa, you may apply for permanent residence at any time if you are able to meet the passmark on the General Skilled Migration points test.

这类签证允许海外生在没有达到永久的技术移民签证标准前，可以留在亚18个月，以使们获得工作经和提高们的英语水平。