O
o_cat
Guest
A study of drugstore and supermarket shelves will convince any observer that all possible size and shapes of boxes, jars, bottles, and tins are in use at the same time and, as the package journals show, week by week, there is never any hesitation in introducing a new size and shape of box or bottle when it aids in product differentiation.
what does aids in mean in this sentence?
Thank you. :wink:
what does aids in mean in this sentence?
Thank you. :wink: