You dig and dig, but do not find any treasure.

你挖了又挖，但是没发现任何宝藏。

youdao

You know, we dig so much in music. And you know so much about all these cats that plays good music, you know."

VOA: special.2009.01.30

wish you have a very successful semester as you dig into the science of positive psychology and put it into practice in your own lives, and think about how to take positive psychology from the classroom to the world.

祝你们本学期取得成功,深入学习积极心理学的科学,并将之应用于生活，思考如何把积极心理学,从教室带向世界。

哈佛公开课 - 幸福课课程节选

In order to apply Six Sigma you need lots of data and you must be able to dig into it, analyze it and eliminate sources of variation.

FORBES: Top CEOs Share how Big Data Is Transforming Our Health, Wealth and Security

The idea you can dig a hole and bury money in it, so people can dig it up for wages must be put to one side for a change.

FORBES: Listen Up Bernanke, QE Is Not The Answer

One is that you can dig forever and not find a mate.

NPR: Mole-Rats, Ants Making Science Headlines