The authors documented an annual drop of as many as 120,000 cases of heart disease, 66,000 instances of stroke and 99,000 heart attacks caused by high blood pressure after a 3-g-per-day reduction in salt.
出自-2013年6月阅读原文
英语六级真题
In some instances she wrote moving passages that included her helpers in descriptions.
2018年12月六级真题（第二套）阅读 Section B
柯林斯高阶英汉双解学习词典释义
PHRASE
例如;譬如
You use for instance to introduce a particular event, situation, or person that is an example of what you are talking about.