例句:They have been negotiating a bilateral trade deal.
他们一直在商谈一项双边贸易协定。 

2.be accused of 遭受...指控

例句:He was accused of stealing a small boy's bicycle.
他被指控偷了一个小男孩的自行车。

3.take over 接管；接收

例句:The Belgians took over Rwanda under a League of Nations mandate
比利时人依照国际联盟的授权接管了卢旺达。

4.trade barriers 贸易壁垒

例句:Most of the subsidies and trade barriers have come at a huge cost.
大多数津贴和贸易壁垒付出了巨大的代价。