After trying hard, I got a job in a gold mine.

几经周折，我才在一家金矿找到一份作。

This ancient fossil was a scientific gold mine.

这个古化石是科学上的金矿。

When William Bowers Bourn was just 17 years old, his father passed away, leaving him ownership of Empire Mine, a succesful gold mine in California.

在威廉·鲍尔斯·伯恩年仅17岁时，他的父亲就去世了，帝国矿山的所有权就留给了他，这座在加利福尼亚的金矿相当的富饶。

He says that in the beginning Nile Perch fishing was like a gold mine.

他表示，一开始捕捞尼罗河鲈鱼就像是金矿。

The convoy was carrying workers at a gold mine owned by the Canadian company, Semafo.

车队上的所开采的金矿是加拿大公司西非采矿公司（Semafo）所有。

We start to understand that sleep is a gold mine for understanding our health.

我们开始明白，睡眠是了解我们身体状况的重要来源。

The king's wealth came from gold mines.

国王的财富来自金矿。

And today that ancient tartar is a gold mine for archaeologists.

而现在，古代的牙石对考古学家来说就是“金矿”。

But for archaeologists, such gum-as long as it's really old-is a genetic gold mine.

但对考古学家来说，只要这种口香糖真的古，就是“基因金矿”。

Gore knew this satellite imagery would be a gold mine for civilian environmental scientists.

戈尔知道这张卫星图像将是平民环境科学家的金矿。

But social media are no gold mine for do-gooders.

但是社交媒体并非好心的大金库。

We thought we were sitting on a gold mine.

我觉得我们简直是坐拥金矿。

Cultural heritage is a gold mine. You cannot exploit it and then just leave the mine and go to another one. It is something you really have to cherish, she said.

" 文化遗产是一座金矿。你不能利用完就弃之不顾，转寻其他。这是你必须要珍惜的遗产，" 她说。

An estimated 20,000 children work in Burkina Faso's gold mines.

估计有20000名儿童在布基纳法索的金矿作。

The stay-away was total at the Kinross gold mine where last month's disaster occurred.

上个月的灾害发生时，外出作的都在金罗斯金矿。

The airport is often used to ship gold mined in the province of Ontario.

这个机场经常运输安大略省开采的黄金。

And of course, for an entomologist like me, it's a veritable gold mine.

而且当然对于像我这样的昆虫学家这里是货真价实的金矿。

An illegal gold mine has collapsed in Mali, killing close to 50 people.

马里一座非法金矿坍塌，造成近 50 死亡。

For the South, cotton is a gold mine.

对南方来说 棉花就是金矿。

If you're cashed up or getting by, loaded, or sitting on a gold mine, I wonder if you can guess what today's lesson will focus on.

如果你很有钱，家里有矿的话，我我在想你是不是能够猜到今天的课程要讲什么。