derivative work衍生作品derivative[英][dɪˈrɪvətɪv][美][dɪˈrɪvətɪv]n.[数]导数,微商; [化] 衍生物,派生物; [语]派生词; adj.衍生的; 导出的; 拷贝的; 复数:derivatives例句:1.in that trade, investors bought credit insurance on greece from big banks, which serve as market makers in cash and derivative trades. 在这种交易中,投资者从大银行手中购买针对希腊的信用保险产品,银行在现金和衍生品交易中起到做市商的作用。 20210311
work up 逐步建立;逐步发展 can youwork upanger and regretandd**may over that?你会因此而变得生气,懊悔和沮丧吗?i began slowly but surely to work up to the idea that wewerepartof the h**tory of business in tanzania.我开始缓慢但坚定地接受这...
work on 与work at 可通用,表示“忙于……”但在work on sth. 中,sth是work的具体对象;而在work at sth. 中,sth. 只说明事工作的性质,即时精力用在某一方面的事情上,而不在于说明正在做什么。如:he ** wo**ng on/ at a novel. 他正在专心写一部小说。they h**e worked at th** subject for ma...