语法：Trade surpluses are a habit that is hard to break.可以“复数are a单数”这种形式吗?一般在什么情况下这样用?

语法：Trade surpluses are a habit that is hard to break.可以“复数are a单数”这种形式吗?一般在什么情况下这样用? 英语翻译Another important issue has to do with the duration of china’s trade surpluses.A mercantilist policy regime aims at persistent trade surpluses,and Japan indeed enjoyed a consistent trade surplus until 1993 through-out its economic takeo learn a trade是什么意思 life is a trade trade TRADE trade TRADE trade trade trade trade 英语翻译IntroductionGiven the rapidly growing reserves and trade surpluses both in major Asian exporters(China,Japan,Korea) and elsewhere (India,Russia) it is clearly unsatisfactory both toanalyze commercial policy in these countries in pure bart 英语高手请进..问个语法问题Shian International Trade (Beijing) Co., Ltd. is dedicated to being a leading importer for providing international imported health foods and brands to China.请问这句话有没有语法问题啊? He drove a good trade in sth. Create a MF trade order怎么翻译 trade on a when-issue basis ___means a country importing main raw materials and auxiliary parts to be processed or assembledand re_exported.A.Consignment trade B.Processing trade C.Multilateral trade D.Compensation trade