Errors are like straws upon the surface; if you want to find a pearl, you have to dive under it.

错误就像浮在水面的稻草；如果你要想寻找珍珠，你就得潜到它的下面。

youdao

How do archaeologists know where to find what they are looking for when there is nothing visible on the surface of the ground?

地面上什么也看不见，考古学家怎么知道到哪里去找他们要找的东西呢？

youdao

Crippling health care bills, long emergency-room waits and the inability to find a primary care physician just scratch the surface of the problems that patients face daily.

高昂的医疗费用、急诊室里漫长的等待，以及找不到初级护理医师，这些都只是患者每天面临的问题的冰山一角。

youdao

Find a hard surface like a chair and rest your body on it.

VOA: special.2009.08.11

So, if you look in the blood of patients that are infected with Hepatitis B you find a lot of Hepatitis B surface subunits, proteins without the nucleic acid circulating in their blood.

因此,如果你观察一下,已经感染乙肝病毒患者的血液,你会发现许多乙肝病毒的表面亚基,以及血液循环中存在没有核酸的蛋白质

耶鲁公开课 - 生物医学工程探索课程节选

"That surface may find another home in a third world country... rather than going on to the scrapheap there may be a home for it somewhere to help develop hockey somewhere else in the world, " he said.

BBC: Sheffield is new home for Olympic hockey pitch

He'd scrawl these diatribes on whatever surface he could find, from walls to lamp posts, and then the government would promptly paint over them.

BBC: Calligraphic graffiti in Hong Kong

On the surface, you can find the same kind of disproportionality that is obvious in the military struggle itself, and in the body counts.

FORBES: Crowdsourcing Propaganda: Gaza and the People's Information Ministry