"black gold" in Chinese (Simplified)
黑金（石油）
Definition
“黑金”是一个非正式说法，主要指原油或石油，因为它像黄金一样珍贵。有时在口语中也泛指咖啡。
Usage Notes (Chinese (Simplified))
常用于商业、新闻和经济领域表示石油。偶尔在非正式场合指咖啡。不是正式术语，注意不要与其它比喻混淆。
Examples
Saudi Arabia is famous for its black gold.
沙特阿拉伯以其**黑金**闻名。
Many countries depend on black gold exports.
许多国家依赖**黑金**出口。
Oil is often called black gold because of its value.
石油常被称为**黑金**，因为它非常有价值。
These days, coffee lovers joke that their morning cup is black gold.
现在，咖啡爱好者开玩笑说他们的早晨咖啡就是**黑金**。
The discovery of black gold changed life in the Middle East forever.
**黑金**的发现永远改变了中东的生活。
People say wars have been fought over black gold.
人们说，为了**黑金**，战争频发。