Through a 401K you can authorize your employer to deduct a certain amount of money from your paycheck and invest it in a 401K plan.

通过这个计划你可以授权雇主从薪水里扣除一些钱投资到这个计划里。

Like when I finally signed my permanent contract, he came by and said, " Did you sign up for the 401K plan? " , which is the American retirement thing.

就像当我最终签下永久合同时，他走过来说， “你签了 401K 计划吗？ ”，这是美国退休的事情。