交易: business; deal; trade; transaction; sales transaction 短语和例子肮脏的政治交易 a dirty political deal; 黑市交易 black market colloidal powder; bargain; 决不拿原则做交易 never barter away principles; 赊帐交易 credit t
界: 名词1.(相交的地方; 划分的界限) boundary 短语和例子国界 the boundary of a country; national boundary; 山西和陕西以黄河为界。 the boundary between shanxi and shaanxi is the huanghe river.2.(一定的范围) scope; extent 短语和例子外界 e