He has a private income.

他有一笔私人收入。

Apart from that he had no private income.

除去这个，他就没有其他个人收入了。

Apart from that, he had no private income.

除去这个，他就没有其他个人收入了。

He has a private income of twenty - five thousand francs.

他有两万五千法郎年金。

I have only a small private income on which to live until I qualify as a doctor.

我只有微薄的个人收入。在我取得医生资格之前，只能靠这点收入生活。