...to decrease by one-fifth; to reduce by one-fifth; to reduce to four-fifths; to be reduced to four-fifths 下降百分之二十(或五分之一) to decrease by one quarter; to re-duce by one quarter; to reduce to three- fourths; to be reduced to three-f...
At a private dinner in Paris recently a group of French businesspeople listened politely to a politician moaning about his department having toreduce its costs by 5%, until one of the private-sector bosses pointed out that he had knocked out a fifth of his costs in a little over two years.