Adding to Maulik V's answer, there's a slight difference between the pronunciation of

box /ˈbäks/

and

bucks /ˈbəks/

I know it's not easy to differentiate for some (and up to some point), but if you'd try to listen carefully, you'd be able to distinguish properly (also, context clues).

(pronunciations were taken from http://www.merriam-webster.com/)

Adding to Maulik V's answer, there's a slight difference between the pronunciations of

box /ˈbäks/

and

bucks /ˈbəks/

I know it's not easy to differentiate for some (and up to some point), but if you'd try to listen carefully, you'd be able to distinguish properly (also, context clues).

(pronunciations were taken from http://www.merriam-webster.com/)