He endured hardships crossing the Mexico border to work in the United States.

为了到美国工作，他经受了跨过墨西哥边境的艰辛。

youdao

The United States, with its long border with Mexico where wages are barely a fifth as high, faces a particular challenge.

与墨西哥之间有着漫长边境线给付的工资却是墨西哥的近五倍的美国面临种种挑战。

youdao

The United States agreed to let trucks from Mexico operate across their border in accordance with the North American Free-Trade Agreement, ending a lengthy dispute.

根据北美自由贸易协定，美国允许墨西哥卡车穿越边境线，此举结束了两国间长久的争端。

youdao

The Obama administration has dispatched some 500 additional federal agents to the U.S.-Mexico border to stop the violence from spilling over into the United States.

VOA: standard.2009.03.26

Both Clinton and Obama voted to authorize President Bush to build a border fence between the United States and Mexico -- but both said Thursday they would consult with leaders in border areas about where fencing is needed and where other methods could be used to secure the borders.

CNN: Obama, Clinton agree to disagree

That instability could threaten the United States' underbelly along the 2, 000-mile border with Mexico.

CNN: Latin America to hold summit to fight crime

And another is the border between Mexico and the United States, complete with the proposed chain-link fence and its controversial two-foot overhang into Mexico.

ECONOMIST: Debating what to covet with unlimited funds