它既有好处也有坏处。

It may do harm as well as good.

我觉得电脑游戏既有好处也有坏处。

I think computer games have both advantages and disadvantage.

农民到城里工作既有好处也有坏处。

It is beneficial and harmful for peasants to go to the town to work.

某事有利有弊。 /某物有好处也有坏处。

Sth has both advantages and disadvantages.

马斯特斯说，海湾泄露石油遭遇飓风既有好处也有坏处。

Masters said there’s good news and bad news about hurricanes and the Gulf oil spill.