[商業英文]用英文解釋圖表趨勢Change and Development in Charts
| Uptrend 上升趨勢 | Downtrend 下降趨勢 |
| rise, rose, risen | fall, fell, fallen |
| increase | decrease |
| escalate | drop |
| surge | collapse |
| rocket, skyrocket | plunge |
| burst | nosedive |
| shoot up | crash |
| plummet |
- staying at the same level 平穩
- level off
- stabilize
- flatten
- spike （通常指在下跌前）上升至非常高的數量（價格或程度） (adj. spiky)
increase, rise 
decrease, fall 
shoot up, take off 
plunge, slump 
fluctuate 
recover, pick up 
stabilize, level off 
remain steady 
peak 
hit a low, bottom out 
grow, expand 
shrink, decline
Preposition
表示變化的介係詞
Sales increased (verb) by 5%.
There was an increase (noun) of 5% (number).
There was an increase (noun) in my stock portfolio (a topic, not number).
There was a drop (noun) in sales.
Attention Drawing
吸引聽眾注意的開場
Let’s take a look at…
Now I want to show you/present/give you a picture of/demonstrate to you/talk about/explain/share with you/discuss…
Preposition of Time
連接時間的介係詞
at +
specific time: 7 o’clock
meal times: breakfast, lunch, dinner
on +
specific days: Sunday morning
in +
a period of time: morning, month year
of
the third quarter of this year
in the first month of 2018
No prep
this, next, last, now, tomorrow, yesterday