The camp has become a source of tension among Calais residents and in France's relations with Britain, with London pushing for tighter border control.

VOA: standard.2009.09.22

Is that how important is it that we get control of that border and seal it, so to speak.

对于我们来说,控制或者是夺取这个关口，是不是很重要呢。

普林斯顿公开课 - 国际座谈会课程节选

One thirteenth-century Egyptian papyrus describes Egypt's tight control of her border areas, and another reports some Egyptian officials pursuing some runaway slaves Obviously this happened from time to time, escaping into the desert.

一张十三世纪的纸莎草纸上描述了,埃及对它边境地区的严格控制，还有一张记录埃及官员追逐逃跑的奴隶,这显然时常发生，逃往沙漠。

耶鲁公开课 - 旧约导论课程节选