Construction began nearly two years ago, as an expansion of the Ifo camp at Dadaab. It was meant to decongest the overcrowding in the three existing camps.

营地在将近两年前开始动工，它作为达达阿布伊福营地的扩增营地，用意在解决三个现存营地过度拥挤的情况。

youdao

So we commit to expanding our management of the border to the concept of a North American perimeter, not to replace or eliminate the border but, where possible, to streamline and decongest it.

WHITEHOUSE: President Obama and Prime Minister Harper Press Conference | The White House