But such plans are fairly easy to foil: border guards have turned away 88,500 Channel-crossers in the past five years.

可是这样的计划也很容易被识破：边境警察在过去5年里已经遣返了88,500名非法的海峡隧道入境者。

youdao

But such plans are fairly easy to foil: border guards have turned away 88, 500 Channel-crossers in the past five years.

可是这样的计划也很容易被识破：边境警察在过去5年里已经遣返了88,500名非法的海峡隧道入境者。

youdao

They will help keep a look-out for illegal smugglers and border crossers and assist with criminal investigations.

VOA: standard.2010.07.20

And still the border-crossers keep coming, hundreds of them every night.

ECONOMIST: The Mexican border

According to the person familiar with the proposals, the new border security requirements call for 100 percent surveillance and a 90 percent apprehension rate of border crossers or would-be crossers in sectors where the majority of unauthorized entries take place.

NPR: AP Source: Senate Plan To Stiffen Border Security

In the budget year that ended in September, Border Patrol agents arrested 356, 873 would-be border crossers along the Mexican border.

NPR: Arrests Along US Borders Up In Last Year