prisoner swap的用法和樣例：
例句
- The mooted prisoner exchange is controversial in Israel.
現在，提出的囚犯交換方式在以色列備受爭議。 - Some of the focus is on a prisoner exchange , which would involve Gilad Shalit, the Israeli serviceman captured in Gaza by Hamas nearly two years ago.
其中一個(gè)對話(huà)的焦點(diǎn)是關(guān)于囚犯交換，包括以色列的下士沙利特，大約兩年前此人在加沙被哈馬斯逮捕。
