By including blacks, Lincoln expanded "the borders of freedom," says historian Tom Schwartz.

VOA: special.2009.02.09

That the borders of our minds are shifting, and that our memories are part of one great memory, the memory of Nature herself.

实际上这是指我们的想象力],我们心灵的边界一直变化，我们的记忆是一个伟大的，自然的记忆的一部分。

耶鲁公开课 - 现代诗歌课程节选

Black Boy We started this course talking about Black Boy - and the way that a whole world of pressure-- pushed on the borders of that work and actually changed its very material form.

在开始这门课的时候我们先讨论了,说了这个充满政治压力的种族矛盾激化的世界-,并且已经改变了,它的实体范畴的。

耶鲁公开课 - 1945年后的美国小说课程节选

The borders on each part of the house have different edges.

VOA: special.2009.06.01

the ax has enlarged the borders of our settlements, and the mines, as well of iron and coal as of the precious metals, have yielded even more abundantly than heretofore.

VOA: special.2009.11.23

Brown's raid took place within the borders of a state.

VOA: special.2009.07.02

Clay said there was justice in the borders he proposed for Texas, that it would still be a very large state after losing the area it disputed with New Mexico.

VOA: special.2009.03.19

In addition, he said the Organization for Security and Cooperation in Europe should help secure the borders of Afghanistan.

VOA: standard.2009.03.27

"Relevant or relic might be a question if NATO was still camped in Europe waiting to defend the borders.

VOA: standard.2010.06.11

A prosecution witness alleged that the former Liberian president to Voinjama, had traveled on the road the main city in northern Liberia, close to the borders of Guinea and Sierra Leone, a day earlier.

VOA: standard.2009.09.23

Russian President Dmitriy Medvedev signed agreements in the Kremlin with Abkhaz leader Sergei Bagapsh and South Ossetian leader Eduard Kokoity that give Russia responsibility for defense of the borders between Georgia and the two breakaway republics.

VOA: standard.2009.04.30

Violence between the ethnic Goula and Kara communities in the north earlier this year subsided when rebels from the largely Goula Union of Democratic Forces for Unity began fighting alongside government troops to regain control of the city of Birao, near the borders of Chad and Sudan.

VOA: standard.2009.08.27

The University of Illinois in the United States has a project called SAWBO -- Scientific Animations Without Borders.

VOA: special.2011.06.14

The Obama administration is seeking four hundred million dollars in immediate assistance from Congress to help Pakistan fight the insurgency within its borders.

VOA: special.2009.05.09

Another doctor in the film, Australian Chris Brasheer, has been with Doctors Without Borders for nine years.

VOA: special.2010.07.26

Francois Chappuis is a specialist in neglected tropical diseases with the international group Doctors Without Borders.

VOA: special.2010.04.07

The Librarian of Congress James Billington said Stevie Wonder has crossed musical and cultural borders and given to humanity in ways far beyond entertainment.

VOA: special.2009.03.13

"The United States believes that negotiations should result in two states, with permanent Palestinian borders with Israel,Jordan and Egypt, and permanent Israeli borders with Palestine.

VOA: special.2011.05.21

Spain had protected Mexico's borders with laws barring trade with the United States.

VOA: special.2009.03.30

Its borders are debated. Generally,however, they stretch from Fourteenth Street on the north side, Avenue A on the west, Houston on the south and the East River.

VOA: special.2009.04.27

"Ninety-five percent of the world's customers and fastest-growing markets are beyond our borders.

VOA: special.2010.07.09

Security forces stepped up checkpoints and patrols across the country, strict curfews were enforced and borders and airports closed.

VOA: standard.2010.03.07

Activists like Sharon Ekambaram, a spokesperson for Doctors Without Borders, say if the U.S.cuts funding, other countries will do the same.

VOA: standard.2010.07.17

"Often the victims of human trafficking are not aware when they cross our borders that they are about to be enslaved."

VOA: standard.2010.07.23

We can see a lot of trouble around our borders and we cannot distance ourselves from the geopolitics of this region.

VOA: standard.2009.05.24

And he knows, and all of us know, that he is participating in the closing borders and is participating in the siege."

VOA: standard.2010.06.01

Israel's new anti-rocket system, called the Iron Dome, has passed final tests and will be deployed near the country's borders by November.

VOA: standard.2010.07.20

We're going to stand up and push back and call on the Federal government to secure our borders."

VOA: standard.2010.05.08