Rarely if ever have things looked better.
甚少有什么事看起来会更好了。
Proof of fraud in science rarely if ever comes from failure to replicate.
复制成果的失败被作为抄袭的证据是很少见的。
Rarely if ever does a country's savings rate collapse quickly after reaching such a high level.
当一个国家的存款利率达到一个很高的水平后再迅速下跌是极为罕见的。