除非有人提起关于电脑的话题，我一般不会主动谈起。
I usually don't talk about it unless someone else brings up the topic.
他经常很晚才回家，而且常和他的朋友在电话里谈论很多关于电脑游戏的话题。
He often comes home very late and talks a lot about computer games with his friends on the phone.
他经常很晚才回家，而且常和他的朋友在电话里谈论很多关于电脑游戏的话题。
He often comes home very late and talks a lot about computer games with his friends on the phone.
应用推荐