In fact, it's the only way we'll be able to clearly define the difference between bad reviews and good reviews. (citybookreview.com)
Thanks in advance for defining the difference in these two categories. (authorearnings.com)
They post some lovely outfits, but leave it up to women to figure out why skin - tight jeans are included but yoga pants are not (someone please define the difference). (relevantmagazine.com)