An aide to Republican presidential nominee Donald Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE says Bill and Hillary Clinton Hillary Diane Rodham ClintonJoe Biden looks to expand election battleground into Trump country Biden leads Trump by 12 points among Catholic voters: poll The Hill's Campaign Report: Biden goes on offense MORE don't "get what it means to be an American."

"I think the Clintons are so separated from regular people, they can't quite connect," Jason Miller, a top spokesman for Trump, argued on Fox News's "The Kelly File" on Wednesday.

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"How do you go from not being able to pay either of your mortgages when you leave the White House to being worth a couple hundred million dollars without ever doing so much as billing an hour of legal work or producing anything or winning Powerball or anything else?" he said.

"And so, they live in alternate reality, and I don't think they get what it means to be an American," he said.

Miller discussed the Trump campaign's strategy heading into the second presidential debate of 2016, promising "more specifics" and saying the debate would highlight how a Trump presidency would help consumers.

Miller also said Democratic presidential nominee Hillary Clinton is "always good on the first answer" in a debate but "has a tough time relating with people" in followup questions.

Clinton and Trump are slated to debate Sunday at Washington University in St. Louis after the pair sparred at a debate last week that was seen as a boost for Clinton's campaign.