The release of prisoners was used as a bargaining chip.

　　釋放戰俘被用作討價還價的籌碼。

　　After much hard bargaining we reached an agreement.

　　經過一番艱難的討價還價，我們達成了協議。

　　Exporters are in a strong bargaining position at the moment.

　　目前出口商在洽談中處于有利地位。

　　Volunteers learn a lot and enjoy themselves into the bargain.

　　志愿者在學到很多東西的同時還能得到樂趣。

　　He said he wasn't prepared to bargain.

　　他說他不愿討價還價。