51. decision on/against 做/不做……的決定 ?如：

A decision on this matter is pending.
此事即將作出決定。
The committee reversed its decision on import quota.?
委員會(huì)取消了對進(jìn)口貨物的配額的決定。

52. decrease in sth ……的減少 ?如：　?

There has been a steady decrease in population in this city.
這個(gè)城市的人口在持續(xù)下降。

53. defence against 防御，保衛(wèi) ?如：　

Trees are a defence against the wind.
樹是一種防風(fēng)物。
The country put up a strong defence against the enemy 's invasion
為了抵御敵人的侵略，這個(gè)國家布置了堅(jiān)固的防御工事。

54. delegate to 參加……的代表 ?如：　

He was elected as a delegate to the annual conference.
他被選為年會(huì)代表。

55. demand for 對……的需求 ?如：　

Demand for hospital services remained high.
居民對醫(yī)院服務(wù)的需求仍然殷切。
A fall in demand for oil tankers has put/placed thousands of jobs in the shipbuilding industry in jeopardy.
油輪需求量下降使造船業(yè)成千上萬的工作職位受到威脅。

56. departure from 離開 ?如：　?

Ordered curry as a departure from his usual bland diet.
他沒有點(diǎn)通常吃的淡而無味的食品，而要了咖哩食品。
The new system is a departure from our usual methods.?
這套新辦法不同于我們慣用的方法。

57. desire for sth 渴望 ? 如：　

It is obvious that they have no desire for peace.
很顯然，他們沒有和平的愿望。
They had little desire for wealth/to get rich.
他們對財(cái)富（致富）沒有什么欲望。

58. differences between 不同，差異 ?如：

Differences between employers and workers go deep.
雇主和工人間的分歧很大。
The differences between the pictures are very slight.
這兩幅畫差別很小。

59. dispute about 爭論，辯論 ?如：

It is ridiculous to dispute about such a thing.
為這樣的事情而爭論簡直荒謬可笑。
There will be a dispute about the rightful succession to her estate.
對于她產(chǎn)業(yè)的合法繼承權(quán)將有一場爭論。

60. distinction between 區(qū)別 ?如：

He drew a quite artificial distinction between men and women readers.
他把男讀者和女讀者硬是人為地區(qū)分開來。
We should make a distinction between right and wrong.
我們應(yīng)該分清是非。?