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我们今天从一个例子入手：How would you write an overview of the information in the bar chart below?关于下面这张柱状图，你会怎么描述呢？
给同学们两个提示：My tip is to look at two things: （1） every year （2） across the years.
一、看每年的数据In every year: what can we say was true in all three years on the chart?这三年的数据都有什么共性？One possible answer: most Americans ate in fast food restaurants between once a week and once a month (the two middle categories have the highest bars in all three years).也就是图中占比最大的两部分。
二、看各年数据的对比Across the years: is there a change or trendacross the 10-year period? 考虑10年这一事件跨度，有什么趋势或变化？One possible answer: Americans ate in fast food restaurants less frequently in 2013 (once or twice a month instead of once a week).美国人吃快餐的频率降低了。
接下来，要如何把上面两个方面简洁地写出来呢？Here'san overview paragraph using the ideas above:
It is clear that the majority of Americans ate in fast food restaurants between once a week and once a month in all three years shown on the chart. We can also see that there was a shift towards eating in these restaurants less frequently by the end of the 10-year period.
How to choose information from the Bar Chart?柱状图的难点在于筛选信息，否则难以做到“全面”又“简洁”
一般要在150词左右涵盖整张图表的信息。The task requires you to write 150 words in total, and one sentence contains around 10 to 15 words.每句如果有10-15个单词的话，就只有10-12句话 We can estimate that your description of the Bar Chart will be made out of 10 to 12 sentences.
以全文共10句为例 For the sake of this example, let’s say our description will be made out of 10 sentences.
可以将文章简单地分配这几部分We can now assign each sentence for a specific task:
·One sentence for introduction.开头
·Two sentences with the superlative.最大值/最小值等极值
·A sentence with a comparison.对比
·A sentence grouping two data points because they are similar.?相似点
·A sentence noting an exception. ?例外
·Two sentences describing the trend.变化趋势、未来走向
·Two sentences for summary.最后总结概括
这只是一个参考，考生不必完全按照这个顺序来写 Note that these sentences don’t necessarily need to go in this particular order.最重要的还是要有逻辑！读起来自然流畅，而不是像在套模板！You must write them in a way that makes your Bar Chart description flow naturally.
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