Vast tracts of the country are wild and undeveloped.该国的大片国土还是尚未开发的荒地。

the world's largest undeveloped gold deposit outside of South Africa除南非以外世界上最大的未开采的金矿

The big losers will be the undeveloped countries.大输家将是不发达国家。

St Lucia is still mercifully undeveloped as a tourist destination.旅游目的地圣卢西亚所幸尚未被开发。