例句：

　　Costs have been reduced by 20% over the past year.

　　過去一年，各項費用已經(jīng)減少了20%。

　　The skirt was reduced to ￡10 in the sale.

　　在大減價期間，這條裙子減價到10英鎊。

　　It reduces the risks of heart disease...

　　這降低了患心臟病的風險。

　　They were reduced to extreme poverty.

　　他們陷入極端貧困的狀態(tài)。

　　He was reduced to begging for a living.

　　他不得不以乞討為生。