Welche Bedeutung steckt hinter der hier vorgestellten Vokabel aus dem Bereich Accounting?

'I think you will find the expense policy easy to understand. It isn't rocket science; just follow the steps in the handbook and you won't have any problems.'

It's not rocket science.

Do you know what it means?

• it's totally banal
• it isn't difficult to comprehend
• it's not very useful