subsidizing “One could also make the economic case that, with their taxes, childless couples are selflessly subsidizing the education and well-being of other people’s children (who provide tax breaks for their parents). Conversely, it is these parents’ descendants who will be taking care of the childless adults — and keeping society operational — when they are elderly.” 1 in this context, the "subsidizing"meaning ? 2 "who provide tax breaks for their parents" in U.S.,i'm wondering the meaning of "tax break "? No Kids for Me, Thanks http://www.nytimes.com/2015/04/05/style/no-kids-for-me-thanks.html via Instapaper