bǐrú zhège tú shuōmíng mǎnyìdù xiàjiàng le ránhòu zài shuō xiàjiàng duōshao shénme shíhou xiàjiàng

比如“这个图说明满意度下降了”，然后再说下降多少、什么时候下降。

For example, 'This chart shows that satisfaction has declined,' and then state by how much and when it declined.