如果衰退始于民主党和共和党总统任期内的机会相等，那么连续四次衰退始于共和党执政期间的可能性是十六分之一 — — 等于扔四次硬币，次次都是正面朝上。
If the chances of a recession starting during a Democratic or a Republican president’s term were equal, the odds of four successive recessions beginning under Republicans would be 16 to one – the same as getting “heads” on four out of four coin-flips.