The conservatives favour a cap on migrants entering britain .

保守党支持对进入英国的移民进行限制。

So powerful is the message , they have found , that recordings of birdsong can persuade migrants to settle in unsuitable places .

他们发现，这种信号如此强烈，以至于鸟鸣声的录音都能够说服候鸟儿在不适宜的地方筑巢。

Libya occasionally expels african migrants .

利比亚也偶尔会驱赶非洲移民。

Some 340 migrants were also wounded .

约340名移民被打伤。

Migrants often create employment for natives .

移民往往为当地人创造就业机会。