What we're seeing is just the beginning, too. Meat consumption has increased five-fold in the past fifty years, and is expected to double again in the next fifty.

我们现在所看到的，也才是一个开端而已，肉品消耗量在过去五十年已增加五倍，而未来五十年恐怕会再加倍。

youdao

Total capacity sold annually could grow fifty-fold in five years, he adds, from 200 to 10, 000 petabytes.

FORBES: Boom

Investment in energy research under the 863 Program has grown far faster: between 1991 and 2005, the most recent year on record, the amount increased nearly fifty-fold.

NEWYORKER: Green Giant