Neighboring countries have a vital role to play, too – for example, by keeping borders open so that migrants do not become trapped, as Egypt and Tunisia so generously demonstrated during the Libya crisis.
邻国也扮演着关键作用——比如保持边境开放以使移民免受困顿——利比亚危机期间，埃及和突尼斯非常慷慨地这么做了。