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

几经周折，才在一家找到一份作。

This ancient fossil was a scientific gold mine.

这个古老化石是科学上。

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，他父亲就去世了，帝国山所有权就留给了他，这座在加利福尼亚相当富饶。

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。

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

车队上人所开采是加拿大公司西非采公司（Semafo）所有。

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

开始明白，睡眠是了身体状况重要来源。

The king's wealth came from gold mines.

国王财富来自。

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

而现在，古代人牙石对考古学家来说就是“”。

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，只要这种口香糖真古老，那它就是“基因”。

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。

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

但是社交媒体并非好心人大库。

We thought we were sitting on a gold mine.

觉得简直是坐拥。

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。你不能利用完就弃之不顾，转寻其他。这是你必须要珍惜遗产，" 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作。

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

上个月灾害发生时，外出作人都在罗斯。

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黄。

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

而且当然对于像这样昆虫学家这里是货真价实。

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

马里一座非法坍塌，造成近 50 人死亡。

For the South, cotton is a gold mine.

对南方来说 棉花就是。

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，家里有话，在想你是不是能够猜到今天课程要讲什么。