一. 倍数
1.A be times as much/many as B
eg. The annual rainfall of Hunan is 5 times as much as that of Sichuan。
2.A doubles/is half/triples B A是B的'两倍，一半，三倍
eg. The annual rainfall of Jidda doubles that of Janta, but is only half the amount of rain Kuwait receives each year。
附一 圆盘比例型图表 例： 一个圆盘显示了大学生在food, books, transportations, entertainment, clothes, unknown中的开销，它们各自占的比例依次是60%，3%，5%，10%，10%，12%，要求你描叙这个圆盘图。
描述：
The above pie chart consists of 6 segments, the largest one representing food, which accounts for 60% of the total. Clothes and entertainment each takes up 10%. 5% goes to transportation and 3% books. All the rest expenses, 12% of all ,is spend on unknown items。
总结写作模式：
pie chart consists ofsegments, the largest one representing,which accounts for of the total.each takes up.goes to.All the rest, of all,. 。
二.原因结果
1。, owing to
2。, attributable to
3。 lie in the fact that
4。result from
5. It is precisely because that
6. , as a result,
7. be responsible for
