31.there is not a great deal of difference between...and...
...與...的區別不大。
32.the graphs show a threefold increase in the number of...
該圖表表明...的數目增長了三倍。
33....decreased year by year while...increased steadily.
...逐年減少,而...逐步上升。
34.the situation reached a peak(a high point at) of[%].
...的情況(局勢)到達頂(高)點,為...百分點。
35.the figures/situation bottomed out in...
數字(情況)在...達到底部。
36.the figures reached the bottom/a low point/hit a trough.
數字(情況)達到底部(低谷)。
37.a is ...times as much/many as b.
a是b的...倍。
38.a increased by...
a增長了...
39.a increased to...
a增長到...
40.high/low/great/small/ percentage.
比低高(低)