1.suppose to 认为是
例句:There's nothing to keep us here, is there?I suppose not.
这里没有什么让我们留恋的，对吧？我想没有。
2.afford to 负担得起；付得起
例句:They could not afford to spoil those maps by careless colouring.
若是上色的时候不小心弄坏了那些地图，他们可承担不起
3.agree to 同意，赞成
例句:You and I are going to have to agree to disagree then.
那你我只能各自保留不同意见了。
4.negotiate with 与…进行交涉
例句:The government will not negotiate with terrorists.
政府不会和恐怖分子谈判。
