对于百分比进行描述所使用的句型： % the is/has/have/are accounts for % of the total takes up % in the whole chart

趋势的比较

1. 表示相似的句型：

Both share prices rose sharply in January. Neither company has made a profit yet. Like X， Y fell in June. X rose just as sharply as Y.

2. 表示差异的句型：

X fell sharply whereas/while Y remained steady. X fell quickly compared to Y. Unlike Y， X rose by 10%.

X rose far more dramatically than Y.

3. 表示倍数的句型：

the doubled/tripled in compared with those in

4. 客观比较的句型：

is in contrast to

数据的修饰

1. 表示不足的词或词组： up to below under almost nearly