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Two AI companion concepts
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不足一成企业，贡献超七成研发投入
The United States is now paying nearly $970 billion a year just to service the interest on its $38.8 trillion national debt — a figure that has nearly tripled since 2020 and already exceeds what the federal government spends on national defense or Medicaid, according to a February analysis by the Committee for a Responsible Federal Budget (CRFB).