Now, in practice, this is not the only problem facing two firms who are trying to produce the monopoly output.

实际上 这并非两个想维持垄断产量的,企业需要面对的唯一问题

耶鲁公开课 - 博弈论课程节选

Communities facing this problem have traditionally resorted to "scrip, " a money substitute in the form of tokens, certificates, even clamshells or buckskin to trade for goods.

FORBES: Magazine Article

So this is a multifaceted attack on the number-one problem facing this country, which is the need to grow the economy and create jobs.

WHITEHOUSE: Press Briefing

This points to the biggest rural problem facing Mr Cardoso: to make family farming pay, and to create employment.

ECONOMIST: Brazil