cent 
/ˈsɛnt/ noun
plural cents /ˈsɛnt/ noun [count] : a unit of money that is equal to 1⁄100 of the basic unit of money in many countries : one percent of a dollar, euro, rupee, etc.
▪ A dime is worth 10 cents. ▪ The car isn't worth a cent. [=the car is not worth anything]
▪ A dime is worth 10 cents. ▪ The car isn't worth a cent. [=the car is not worth anything]
not one red cent
informal : no money at all
▪ I would not pay one red cent for that car. [=I would not pay any money at all for that car]
▪ I would not pay one red cent for that car. [=I would not pay any money at all for that car]
two cents
US, informal : someone's opinion about something
▪ He's always ready to offer his two cents on any topic, whether he knows anything about it or not. ▪ Can I put/throw in my two cents? [=can I give my opinion?] ▪ If I can, I'd like to offer my two cents' worth. [=my opinion]
▪ He's always ready to offer his two cents on any topic, whether he knows anything about it or not. ▪ Can I put/throw in my two cents? [=can I give my opinion?] ▪ If I can, I'd like to offer my two cents' worth. [=my opinion]
