but some day, ways will be found of digging out the huge mineral treasures that lie hidden within these mountains.但總有一天我們會找到方法來挖掘埋藏在雪山之下的巨大礦石寶藏

dig out:挖出, 查出

He was dug out from under the avalanche.

他被人從坍崩的雪堆中挖出來。

It is not easy to dig out the past.

發掘過去的歷史是不容易的。

But it's not the prospect of getting rich that makes men sign up for this patrol,it's the chance for the journey of a lifetime.人們不是為了發財才加入巡邏隊，這是絕無僅有的冒險之旅。

sign up for:登記注冊, 登記報名

Who is eligible to sign up for a membership?

誰有資格報名參加會員?

He signed up for a voyage to India.

他簽約參加到印度的航行。

get rich:投機致富的

Many a man has tried to get rich without success.

許多人力求發財但都未成功。

You can't get rich without taking risks.

人不冒險不富。