He says the best way to learn is to read books about backpacking trips, talk to experts and then get outside and start doing it.

VOA: special.2011.03.23

So now I'm actually doing some math, but here's some nuances that we're going to start to trip over.

现在实际上我在做一些算术，但是我们,将会被一些细微的差别所阻塞。

哈佛公开课 - 计算机科学课程节选

I was going to say when you first start doing this, even people who have been doing it for a long time still go off on ten-minute daydreams before realizing that their minds were wondering.

我本想说第一次尝试时，但即便是修行多年的人,也会走神十分钟之久,方才意识到自己刚做了白日梦。

普林斯顿公开课 - 人性课程节选

We know what this kid is capable of doing on the rugby field - he just needs to start doing it again.

BBC: Jeremy Guscott column

We know what al Qaeda in Iraq did and is still doing, and we don't want it to start doing that in Syria -- which is why we highlighted its incredibly pernicious role.

CNN: The Syrian crisis: Where's U.S. aid going?

My hope is that this bipartisan spirit spills over into the next phase, " Obama said, encouraging members to pass larger infrastructure measures and "start doing more to reduce the debt burden that our young people are experiencing.

CNN: Obama signs bipartisan transportation, student loan bill