Many children in the class suffered severe social and economic disadvantage.

　　班上許多孩子都來(lái)自社會(huì)地位低下經(jīng)濟(jì)困難的家庭。

　　One major disadvantage of the area is the lack of public transport.

　　這個(gè)地區(qū)的一大不便之處就是缺少公共交通工具。

　　Pollution is just one of the disadvantages of living in the town.

　　污染只是生活在城里的不利條件之一。

　　The advantages and disadvantages would appear to cancel each other out.

　　看來(lái)是利弊參半。

　　I hope my lack of experience won't be to my disadvantage.

　　但愿我的經(jīng)驗(yàn)不足不會(huì)使我吃虧。