However, returns have fallen as more profit seekers have entered the sector, raising the possibility that excess returns are being arbitraged away.

That means it is very difficult to see a situation of high oil prices and low coal prices, it is all arbitraged out.

这意味着，我们很难看到高油价、低煤价的局面&都通过套利活动消除了。

A second puzzle is why the effect has not been arbitraged away.

第二个谜团是，（财富）效应为什么不能产生持久的套利机会。

Newly created equity tends to be arbitraged across global businesses.

新创造的股本往往被用来在全球企业之间套利。

On another occasion I saw a group of disoriented, emaciated Amerindians, begging for food by the side of the road.

还有一次我看到了一群迷失了方向的印第安人，他们非常憔悴，站在路边乞讨食物。

Mr. Bowen is a pioneer in the US trade with China. a trail through the wilderness worn by Amerindians.

伯恩先生是一位美中贸易的开拓者。一种横穿荒野的由美洲人开拓的路。

1054-A supernova is observed by the Chinese and Amerindians near the star Tauri.

1054年的今天，一颗位于金牛座附近的超新星被中国及印第安人发现并记载。

A rain dance of Amerindians.

一种美国印第安人的祈雨舞蹈。

A painting done by Amerindians ( especially Navaho); made of fine colored sands on a neutral background.

印第安人（尤其是纳瓦霍人）作的画；在没有色彩的背景上用彩色沙子作成。

Early Amerindians related to the Pueblo Indians; known for skill in making baskets.

和普韦布洛印地安人有联系地早期美国印地安人；以编篮子的技术而闻名。

Paint applied to the face and body of certain Amerindians before a battle.

在战斗前涂于脸上或身上的油漆。

Any of the languages spoken by Amerindians. Name one of the major American Indian tribes in the United States.

任何一种被美国印第安人所说的语言。问：举出美国的一个主要印第安人部族。

A ceremonial dance performed by Amerindians at the summer solstice.

一种由美洲印第安人在夏至进行的祭奠舞蹈。

The Evolvement of Class Nature and Hierarchy of the English Aristocracy

英国贵族阶级属性和等级制的演变

A Review on the Studies of English Aristocracy in Modern Times

英国近代贵族政治研究述评

The highest-ranking member of the spanish aristocracy is the grandee.

西班牙贵族中爵位最高的成员乃是大公。

A century ago the aristocracy were truly lords of the earth.

一个世纪之前，贵族阶层是绝对的统治者。

She married into the aristocracy.

她因为婚姻关系而跻身贵族。

When one recalls how aristocracies in the past actually behaved, the prospect is not cheerful.

当一个人回忆过去贵族的所作所为，前景就不会乐观了。

The resisting monarchy of aristocracies was an important factor in the making of limited monarchy of England;

第三，贵族对王权的抵抗是英国有限王权形成的重要因素；

Elephant shrews are restricted to Africa and despite their small size, are more closely related to elephants, manatees ( known as sea cows) and aardvarks than they are to true shrews.

象鼩生活在非洲。虽然体型微小，但和鼩类动物相比，它们与大象、海牛、土豚等大型动物的关系更密切。