Much of the boost came from the opening of the territory's first diamond mine.

经济的飞速增长很大程度上取决于本地区第一个钻石开采的放开。

youdao

All of this can be done, Mr Heydon believes, for about half as much as opening a new land-based mine.

海冬相信，只要花费相当于一个陆地矿井一半的费用，所有这些就都可以实现。

youdao

All of this can be done, Mr Heydon believes, for about half as much as opening a new landbased mine.

海登相信，只要花费相当于一个陆地矿井一半的费用，所有这些就都可以实现。

youdao

Gerwyn Williams told BBC Wales' Week In Week Out programme he was confident the new mine was viable, adding it could herald the opening of four further pits by his company across south Wales.

BBC: NEWS | UK | Wales | Pit brings hopes of coal's return