图表作文的具体表达法
增加：increase / raise / rise / go up / grow/ jump/ ascend
降低：decrease / grow down / drop / fall/decline/reduce/ descend1
波动：fluctuate / rebound2 / undulate / wave ...
稳定：remain stable / stabilize3 / level off ...
最常见的两种表达法：
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/fluctuation4 （注意：上述不少词不可用于修饰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
There was little change / hardly any change / no change in the number of XXX from from to / between and
描述不同状况的data
Noun form:
steady drop / sharp rise peak / dramatic fall / sharp drop
Verbal form:
bottom out / reach the bottom / increase gradually / reach a plateau / remain steady
描述the highest point与the lowest point
高点极值：
The monthly profit / The figures / The situation ...
+peaked in 准确时间点用at XXX at XXX% / XXX
或者reached a peak / a high point at XXX% / XXX
低点极值：
XXX bottomed out / reached
+rock / the bottom / a low point
或者hit a trough
除此之外，在描述过程中还有不少的conjunctional words/sentences，最常见的固定搭配如下：
并列： as well as, also, as well, either, neither, too, moreover, furthermore, in addition, additionally, besides, what's more, apart from ...
举例： for example, for instance, to illustrate5, as an illustration, in particular, particularly, especially
事实： as a matter of fact, in fact, actually, as long as, so long as ...
雷同/近似：similarly, likewise, at the same time, equally ...
转折： however, whereas, nevertheless, nonetheless, though, although, even though, while, yet, on the contrary, contrarily, in contrast, conversely, on the other hand, unlikely, in stead , in s123e of, des123e of ...
缘由与结果
1. cause-suggestion
since / now that ...; I hope that...
because of/on account of/owing to/thanks to + sth, I hope that...
2. cause-effect
XXX lead to / bring about / result in/ account for ...
, therefore / thus / hence / as a result / consequently / so ...
3. effect-cause
XXX be caused by / result from / be the result of / be the effect of / be the consequence of ...
, because ...
it is adj. that ...
it is unimaginable that ...
it is undeniable that ...
it is interesting to discover that ...
变化程度：sudden/suddenly 忽然的，意料之外的 rapid/rapidly 飞速的，飞快的，险峻的
dramatic/dramatically 戏剧性的，生动的 significant/significantly 有意义的，重大的，要紧的
sharp/sharply 锐利的，明显的，急剧的 steep/steeply 急剧升降的
steady/steadily 稳定的，坚定不移的 gradual/gradually 渐进的，渐渐的
slow/slowly 缓慢的，不活跃的 slight/slightly轻微的、略微地
