It is generally believed that ... accepted

  引证观点的常用句型。我们看看下面的例文是怎么使用这个句型的：

  人们普遍认为，在发达国家人口增长的主要原因与其说是出生率的上升，还不如说是由于医疗保健的改善的使死亡率下降了。

  It is generally believed that the chief reason for the increase in population in developed countries is not so much the rise in birth rates as the decline in death rates as a result of the improvement in medical care.

For example

  举例阐述最常用的就是这个了。此外还有for instance, let's take ... for example. 例文如下：

  就拿汽车为例。汽车不仅污染城市空气，而且使城市拥挤不堪。此外，汽车造成许多交通事故。汽车所产生的噪音使居住在街道两旁的居民日夜不得安宁。

  Let's take cars for example. They not only pollute the air in cities, but make them crowed. Furthermore, they cause a lot of traffic accidents. The noise made by cars disturbs the residents living on both sides of streets all day and night.