Knowledge like springs under the sand, to dig the deeper, spring more clearly.

知识好像砂石下的泉水，掘得越深，泉水越清。

youdao

The work in the city is only 30 percent done, and 70 percent is still under the sand.

这个城市对旅游的工作仅做了30%，剩下70%的旅游资源仍然被埋在沙子里没有开发出来。

youdao

Knowledge is like the spring water under the sand, more digging deeper water more clearly.

知识好象砂石下面的泉水，越掘得深泉水越清。

youdao

The next day, they realized that the sand and natron under the fire had melted then cooled into glass.

VOA: special.2009.09.16

It was about 4 p.m. when Jacob heard one of his friends shout: "Jacob, your brother is under the sand!"

CNN: Waiting for our son to wake up

To prove this point, he and his team buried aluminium squares at different depths under the sand of the Negev desert in southern Israel.

ECONOMIST: Archaeology: What lies beneath | The

Short of the under-the-sand miracle that Lord Butler mooted, Mr Bush's distrust rating seems destined to rise.

ECONOMIST: How the Americans and British got it all so wrong