I open up my pay envelope.

我打开薪水袋。

I receive my pay envelope.

我打开薪水袋。

You pay by putting whatever you can in an envelope.

付款方式是把你想付的放在一个信封里。

In the envelope was enough money to pay for the rest of my school year and a request that I take piano lessons in her memory.

信封里有足够的钱支付我剩下几年的学费，她还请求我去上她记忆中的钢琴课。

"You have to let her pay you," he said, handing me the envelope.

“你必须让她付给你钱，”说着，他把那个信封交给我。