摘要:  Comparative AdvantageIn economics, comparative advantage refers to the ability of a person or a country to produce a particular good or service at a lower marginal cost and opportunity cos[阅读全文]

摘要: absolute advantage In economics,absolute advantages refers to the ability of a party (an individual, firm, or country) to produce more of a good or service than competitors, using the same amoun[阅读全文]

摘要:The Ricardian model focuses on comparative advantage and is perhaps the most important concept in international trade theory. In a Ricardian model, countries specialize in producing what they produce[阅读全文]

摘要:some/any的词义及用法Al some和any意为“某一个数目或某一定的量”。它们或和复数名词或不可数名词连用，或代替这些名词。（关于some/any与单数名词连用请参见下面C。）some可以是a/an和one的复数形式：Have a biscu[阅读全文]

摘要:many a的意思是“许多”，more than one的意思是“不止一个”，从意义上，它们表示复数，但用作主语时，谓语却习惯上用单数。如：■ many a Many a fine man has died in that battle. 许多优秀的士兵死于那次战役。[阅读全文]

摘要:1、A-list (very best) 最好的，最优秀的，最酷的Every girl dreams of dating A-list guys.每个女孩子都渴望跟最好的男人约会。I was totally psyched when I met this guywho definitely was on the A-list.这个男[阅读全文]

摘要:adder, viper 蝰蛇albatross 信天翁alligator 短吻鳄, 美洲鳄alpaca 羊驼anchovy 凤尾鱼anglerfish 安康鱼anopheles 按蚊,疟蚊ant 蚂蚁anteater 食蚁兽antilope 羚羊armadillo 犰狳ass, donkey 驴badger 獾bald eagl[阅读全文]

摘要:busboy 餐馆勤杂工（不是“公汽售票员”）busybody 爱管闲事的人（不是“大忙人”）dry goods （美）纺织品；（英）谷物（不是“干货”）heartman 换心人（不是“有心人”）mad doctor 精神病科医生（不是“发疯的医[阅读全文]

摘要:Who's your favorite movie star?  What's your favourite type of music? 先做做下面的测试，因为热爱影视音乐，追求时尚流行的你不得不知道这些必备单词和词组。1: Hollywood movie stars such as Brad Pit[阅读全文]

摘要:段落一当前，最紧迫的任务是全力恢复世界经济增长，防止其陷入严重衰退；反对各种形式的保护主义，维护开放自由的贸易投资环境；加快推进相关改革，重建国际金融秩序。我们应该进一步落实国际社会达成的共识，树立更[阅读全文]

摘要:a／an（不定冠词）a用在以辅音字母开头，或以读做辅音的元音字母开头的单词前面：a man一个男人a university一所大学a hat一顶帽子a European一个欧洲人a one-way street一条单行马路an用在以元音字母（a，e，i，o，[阅读全文]

摘要:歌手简介中文名:凯莉克莱森 英文名:Kelly Clarkson 生日:1982年4月24日 出生地:美国德州Burleson 全名:Kelly Brianne Clarkson 还好，凯丽克拉森小时候希望成为海洋生态学家的梦想没有成真，否则我们就无法目睹她在2[阅读全文]

摘要:bank,beach,coast,seaside,shore都含有一定的"(海)岸,边"之意bank "河岸,堤岸",指河流两旁高出水面的地方beach "海(湖,河)滩,水滨",指受潮水冲刷而形成的有细沙或卵石覆盖的平缓的斜坡coast "海岸,海岸线",是[阅读全文]

摘要:1. Line(s) （轮船、航空、航运等）公司Atlantic Container Line　大西洋集装箱海运公司Hawaiian air Lines　夏威夷航空公司2. Agency 公司、代理行The Austin advertising Agency　奥斯汀广告公司China Ocean Shipp[阅读全文]

摘要:1）either...or:Either Tim or his brother has to shovel the snow. 要么是蒂姆要是是他弟弟得去铲雪。She's either French or Spanish. 她不是法国人就是西班牙人。I left it either on the table or in the draw[阅读全文]

摘要:1）引导比较状语从句的连词是than和as:than:You sing better than I do. 你的歌唱得比我好。There were more casualties than was reported. 伤亡人数比报导的多。It was more expensive than I thought. 它比我想的[阅读全文]

摘要:    Accounts Receivable: A short-term asset, usually representing a credit for a completed sale.     Cash: Money on hand in checking, savings or redeemable certificate ac[阅读全文]

摘要:歌手简介    Rihanna，1988年出生于加勒比海地区巴巴多斯岛的St. Michael教区，原名Robyn Rihanna Fenty。在进入美国流行音乐界之前，Rihanna只是一位经历普通，热爱唱歌的小女孩。当然，Rihann[阅读全文]

摘要:基本知识    《美女与野兽》是法国博蒙夫人（Beaumont，M.de）所著，是关于一位美丽姑娘和一只野兽的故事。从前，一位富商有三个女儿，其中最小的那个最美丽、最善良。但是，载满他全部财产的船只失事[阅读全文]

摘要:    Accelerated Depreciation Method  计算折旧时，初期所提的折旧大于后期各年。加速折旧法主要包括余额递减折旧法　　declining balance depreciation，双倍余额递减折旧法　　double declin[阅读全文]