You might ask your brother, "Is it okay if I borrow your car? Or if someone asks you to do something, you might say,Okay,I will. Still,language experts do not agree about where the word came from.

VOA: special.2010.02.28

I think they trust each other, now that does not mean we are going to agree I mean,you do not agree in a family on everything,".

VOA: standard.2009.10.14