America is the frontier country.

美国是一个前沿国家。

youdao

It's this in-between that I'm calling a province, this frontier country between the tangible world and the intangible one which is really the realm of the artist...

这个我称之为外乡的中间地带，这个居于有形与无形之间的边远之处，才是艺术家正真的王国。

youdao

Visitors “think Mexico is a country at war, ” says one dentist with a practice close to the frontier.

一个在边境附近工作的牙医说，游客们“认为墨西哥是在战火中的国家”。

youdao

It is the great new frontier country between east and west.

ECONOMIST: Poland should be smart as well as tough

With expected sluggish growth in industrial countries in the short run, external demand for frontier country exports is expected to be driven increasingly by growth in the BRICS, according to the IMF.

FORBES: BRICS Summit: A Gathering of Strange (But Strong) Bedfellows

Conflict countries experienced annualized returns that were 2.1% lower and volatility that was 1.2% higher than the average frontier market country over a ten year period.

FORBES: Is There Ever A Good Time To Invest In War Torn Countries? Study Finds Out