【简答题】There are stories about two U.S. presidents, Andrew Jackson and Martin Van Buren, which attempt to explain the American English term . OK. We don’t know if either story is true, but they are both inte...
【简答题】There are stories about two U.S. presidents, Andrew Jackson and Martin Van Buren, which attempt to explain the American English term OK. We don’t know if either story is true, but they are both intere...