Advantage, sake (7)
I believe the answer is:
benefit
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">advantage</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">sake</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ ></span>
(Other definitions for benefit that I've seen before include "allowance" , "Payment" , "Something that aids" , "Advantage or blessing" , "Advantage; dole" .)