Explaining idioms

[My Ly]

Dear Sirs,

Kindly help explain the idioms below:

1) Money make the world go arround
2) Another day, another dollars

Are they idioms?

Thank you & best regards,
Ly

[Tdol]

1- Money is the most important thing- it is what motvates people and organisations
2- I hear this used as a way of saying that something is finished

[My Ly]

Originally Posted by tdol

1- Money is the most important thing- it is what motvates people and organisations
2- I hear this used as a way of saying that something is finished

Dear Sirs,

Kindly explain more about the above and give examples. Thank you.
Best regards,
Ly