The problem is that we think about giving gifts as the exchange of physical objects.

问题出在我们总是把送礼物当成是物质品交换的过程。

youdao

But we can't tell you who is allowed to use your swimming pool, pay your taxi fares for you — or do anything about the exchange rate.

但我们没办法告诉你谁可以用你家的游泳池，给你掏打车钱，或者算汇率。

youdao

That is our default assumption. There is a community assumption that we can talk to one another freely and that it is right to exchange knowledge about what is happening in the world.

还有一种群体假设，即我们能够和他人自由交谈，拥有相互交换各种信息的权力。

youdao

We presented comments about American high schools from foreign exchange students.

VOA: special.2009.12.31

"It's really quite exciting because we can exchange ideas about it while we're here at the meeting in the same place, " said Greg Madejski of the Kavli Institute of Particle Astrophysics and Cosmology.

BBC: Blazar Markarian 421's flare-up is cosmic coincidence

For more than an hour, we had a frank exchange about the issues facing our country, and we aired some of our grievances, we shared some ideas.

WHITEHOUSE: President Obama Holds a Town Hall in New Hampshire

Anyway, my main point is that the recent behavior of the yen is a reminder that what we think we know about exchange rates is wrong.

FORBES: Strengthening Of The Yen Shows How We Misunderstand Exchange Rates