雅思写作：Task 1数据的表达方法
data在某一个时间段固定不变：fixed in time
在一系列的时间段中转变：changes over time
持续变化的data在不同情况下:
增加：increase / raise / rise / go up ...
减少：decrease / grow down / drop / fall ...
波动：fluctuate / rebound / undulate / wave ...
稳定：remain stable / stabilize / level off ...
最常用的两种表达法：
动词 + 副词形式
形容词 + 名词形式
1. Verb+Adverb form
The number of XXX
+increase/jump/rise/decrease/drop/fall/fluctuate...
+insignificantly/significantly/slightly/suddenly/rapidly/dramatically/sharply/steeply/steadily/gradually/slowly...
+from to / between and
2. Adjective+Noun form
There was a sudden/rapid/dramatic/significant/sharp/steep/steady/gradual/slow/slight
+increase/jump/rise/decrease/drop/fall/fluctuation
+in the number of XXX from to / between and
描述稳定的data：
The number of XXX remained steady/stable from to / between and
The number of XXX stayed the same from to / between and
2、转载或引用本网内容必须是以新闻性或资料性公共免费信息为使用目的的合理、善意引用，不得对本网内容原意进行曲解、修改，同时必须保留本网注明的"稿件来源"，并自负版权等法律责任。
3、对于不当转载或引用本网内容而引起的民事纷争、行政处理或其他损失，本网不承担责任。