Tìm kiếm
Chọn ngôn ngữ của từ điển
black gold
01
used to describe petroleum or oil due to its immense value and economic significance
Idiom
Informal
Các ví dụ
The discovery of vast oil reserves turned the region into a land of black gold, attracting major investments.
Countries heavily reliant on black gold exports face economic challenges when oil prices fluctuate.
