As can be seen from the chart, it vividly shows that the changes and contrast in the number / percentage / proportion of ___ over the period from ___ to :（描述图表主要内容）
从图表中可以看出，它生动地显示了从___年到___年期间___的数量/百分比/比例的变化和对比：
To be exact, It goes without saying that ___.
确切地说，___是不言而喻的。
In my opinion, the reasons for the phenomenon can be listed as follows.
在我看来，造成这种现象的原因如下:
To begin with, along with the rapid economic growth and huge improvement of people's living standard in our country, ___ has become a basic necessity rather than a luxury.
In addition, another important factor that cannot be ignored is that people has changed their attitude toward ___ . A growing number of individuals are now thinking seriously about ___ . For example, ___ （解释和说明现象的原因）.