VOA慢速英语:'Put-Backs,' 'Robo-Signers' Put New Pressure on US Housing Market

1.These are employees who sign foreclosure forms without taking the required legal steps or even reading thepaperwork.

without doing是without+现在分词作状语

with和without都可以加其他成分做状语。

(1)She came into the room，with her nose red because of cold.（with+名词+形容词，作伴随状语）

(2)With the meal over ， we all went home.（with+名词+副词，作时间状语）

(3)The master was walking up and down with the ruler under his arm。（with+名词+介词短语，作伴随状语。） The teacher entered the classroom with a book in his hand.

(4)He lay in the dark empty house，with not a man ，woman or child to say he was kind to me.（with+名词+不定式，作伴随状语）

He could not finish it without me to help him.（without+代词 +不定式，作条件状语）

(5)She fell asleep with the light burning.（with+名词+现在分词 ，作伴随状语）

(6)Without anything left in the cupboard， she went out to get something to eat.（without+代词+过去分词，作为原因状语）

2.These are bonds based on large numbers of individual loans.

base on使建立在…基础上,立足

例句：We must base ourselves on the interests of the people.
      我们一定要从人民的利益出发。

      One should always base one's opinion on facts.
      我们应总是把自己的观点建立在事实的基础上。

3. In some cases, documents may have been falsified.

in some cases在某些情况下

4.Robo-signers are not the only concern right now.

unique和only的区别：

only表示在没有别的选择的情况下只剩下这个，表示这样的唯一；

unique表示在还有很多选择的情况，由于某物是独一无二的，所以是唯一的。