He says the company traveled to the U.S.to find out if American consumers will dig deep into their pockets for 3D sets.

VOA: standard.2010.03.11

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

Look again at the sentence that I just read, the last lines: Soon had his crew Op'nd into the Hill a spacious wound And dig'd out ribs of Gold."

再看一下我刚刚读过的句子，在最后几行：,不久，他带去的人马,凿开了那座山，画出一条很大的伤口,挖出黄金的肋条“

耶鲁公开课 - 弥尔顿课程节选