Of all the sayings in the English language, this one reaches the top of my most hated list.  “By chance, do you have a pencil?”  “By chance, could you drop me off at the store?”  If I have a pencil, it’s by design, not random happenstance!  If I give you a ride to the store, it’s because I want to, not because of some luck dice roll!  Saying “by chance” every time you ask a question just makes you look insecure and hesitant.  Drop the phrase and see what a more confident individual you become.