四级作文高频语句

引出话题与观点多样性

There are different opinions among people as to... Some people suggest that...

People's opinions about... vary from person to person. Some people say that...

Views on the issue vary from person to person.

描述现象或背景

Nowadays, it is common to...

In the past 10 years, great changes have taken place in...

Now there is a growing awareness/recognition of the necessity to...

The latest surveys show that...

引用名言或俗语