You use your common sense when you need to. THAT WHAT I SAID IS COMMON SENSE!
Common sense
=the Mayans use their common sense by gathering and hunting deers and monkeys.=
Your common sense
If you mean the common sense by what everyone has, then yes, it is common because everyone has it. Not that they always use it.
Common sense should tell you that common sense is not a word, it is a phrase made from two words.
Just Use Common Sense !!
Yes, use common sense!
Yes, use your common sense!
Let common sense be your guide.
use your common sense
Use common sense.......
Your common sense