Mexico’s southern border stretches for 960km (600 miles), snaking through remote highlands and thick jungle. Patrolling it is hard.

墨西哥南方边界全长960公里，在遥远的高地和茂密的丛林里蜿蜒前进，巡逻任务非常艰难。

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Mexico's southern border stretches for 960km (600 miles), snaking through remote highlands and thick jungle. Patrolling it is hard.

墨西哥南方边界全长960公里，在遥远的高地和茂密的丛林里蜿蜒前进，巡逻任务非常艰难。

youdao

The first of these, fixing a border between Israel and the putative Palestine, is hard enough.

第一局是划定以色列与未来巴勒斯坦国的边界，这相当棘手。

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Chambers of commerce on both sides of the border are pushing hard for trade liberalisation.

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Once capital controls were in place Europe's financial markets would be in tatters and it would be hard to preserve cross-border European trade.

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The outcome of a key debate on whether the party should in future be prepared to enter into a coalition government South of the Irish border is also hard to predict.

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