基本句型： 1 occupies / accounts for the majority of A (x%).
y% of A is shared by / is in the charge of 2.
3 and 4 are responsible for / in charge of the rest, with z% and w% respectively.
倍数的表达方式 Double 是两倍/大一倍
Increase/decrease three times 增长/减少了三倍 five times as much/many/big as…
The flow chart / diagram / map illustrates … The whole procedure can be divided into … stages.
时间：to begin with, next, then, later, finally; at the same time / simultaneously
顺序：the first stage involves … / in the second stage / in the third stage / in the last stage 目的：in order to / in order that; so as to / so that
first, firstly, to begin with second, secondly, to start with third, thirdly, what is more also, besides ,in addition finally
by contrast, although, though ,yet in contrast, nevertheless
on the contrary, however ,in spite of on the other hand
therefore ,consequently ,because of for the reason ,thus,hence so, thanks to ,in this way as a result, as a consequence
in spite of, despite ,even
Furthermore, moreover ,what is more besides ,also, not only...but also... in addition
for example, for instance, take….as an example 表解释：
as a matter of fact, frankly speaking in other words
in summary, in a word ,in conclusion to conclude, finally, on the whole in all ,therefore ,to summarize
图表chart = graph = diagram
直线line 曲线curve 柱bar /column 饼pie 表table = figures = statistics the thin(细线) / thick(粗线) / broken(虚线) / dotted(点线) line
表明，表示，阐明 show , give information about，reveal，indicate，demonstrate
(上升类动词)Increase------------ decrease (下降类动词)
go up-------------- go down rise up-------------- fall down climb-----------------slide ascend --------------decline
keep an upward tendency ----keep a downward tendency
fluctuate upward / downward(波动向上/向下)
keep / remain / maintain / stay
unchanged / constant / stable(形容词，不变的)
slightly 轻微地，slowly 缓慢地，gradually 逐渐地，steadily 稳定地，rapidly 迅速地， significantly 明显地，sharply 明显地，dramatically急剧地，
slight, slow, gradual, steady, rapid, moderate, significant, sharp, dramatic
大约，大概，左右类词汇：almost / approximately / around / roughly / more or less / nearly
时间 from … to …/during the period / between … and … / starting from …