1. there is an upward trend in the number of... ...数字呈上升趋势。
2. a considerable increase/decrease occurredfrom...to... ...到...发生急剧上升。
3. from...to...the rate of decrease slow down. 从...到...，下降速率减慢。
4. from this year on，there was a gradual declined reductionin the..., reaching a figure of...
从这年起，...逐渐下降至...
5. be similar to... 与...相似
6. be the same as... 与...相同
7. there are a lot similarities/differencesbetween...and... ...与...之间有许多相似(不同)之处
8. a has something in common with b a于b有共同之处。
9. the difference between a and b lies in... a与b之间的差别在于...
10. ... (year)witnessed/saw a sharp rise in... ...年...急剧上升。