英语语法分析

But why does 2011 still sound like an annum out of science fiction?

为什么2011年听起来还仿佛是科幻小说中的年份一样呢？

I congratulate you. You have there a rent of nine thousand francs per annum.

您在这上面每年就得花销九千法郎。

Also, with debt out of control interest rates will rise substantially to 10-20% per annum.

同时，随着债务失去控制，利率将会飙升至10 - 20%的水平。