今天的句子：

　　The pace of hiring in recent months has been stronger despite a very weak first quarter, when the economy shrank at an annual rate of 2.9 percent. Although the

　　weakness was initially attributed to weather, as well as more technical factors

　　like inventory swings, the depth of the contraction caught some economists off

　　guard, especially those who began the year with a more positive outlook for

　　2016.

　　词汇突破：1.The pace of hiring 就业市场增速

　　2. inventory swings 库存波动

　　3. the depth of the contraction 下滑的程度

　　4. off guard 猝不及防

　　昨天句子的解析：

　　Interest in historical methods has arisen less through external challenge to the

　　validity of history as an intellectual discipline and more from internal quarrels

　　among historians themselves.

　　词汇突破：1.as an intellectual discipline 作为一门学问(一个学科领域)（知识学           科）总之这里的intellectual不能翻译为智力！

　　2.validity 有效性

　　3.arise from/through 由...引起

　　结构解析：A has arisen less through B and more from C.

　　A 更多是因为C其次才是因为B.

　　A=Interest in historical methods

　　对于历史(研究方法)的兴趣

　　B=external challenge to the validity of history as an intellectual discipline

　　外在的对于历史作为一门知识学科的有效性的挑战；

　　C=internal quarrels among historians themselves

　　历史学家自身内部的的争吵；

　　直译：对于历史(研究方法)的兴趣更多是来自 历史学家自身内部的的争吵 其次才是因为外在的对于历史作为一门知识学科的有效性的挑战。