Someone's remuneration is the amount of money that they are paid for the work that they do.
①The continuing marked increase in the remuneration of the company's directors.
②$31,000 is a generous remuneration .
If you spell something out, you explain it in detail or in a very clear way.
①Be assertive and spell out exactly how you feel.
②How many times do I have to spell it out ?
Romain Gary的小说 Promise at Dawn 也出现了这个表达：