The interest rate is 5% per annum.

利率为每年5%。

The membership fee is $100 per annum.

会员费为每年100美元。

The plant grows about 10 inches per annum.

这种植物每年生长约10英寸。

The company offers a salary of $50,000 per annum.

公司提供每年五万美元的薪水。

The average rainfall in this region is 30 inches per annum.

该地区的平均降雨量为每年30英寸。

His salary was $ 25,000 per annum.

他的薪水每年为25,000美元.

Representative cost on average 25,000 per head per annum.

每年每人平均花费25000英镑.

We can offer you forty days ' holiday per annum.

每年我们将给你四十天的假期.

Switch charge Free and unlimited switch per annum.

基金调配费用免费，每年转调基金次数不限。

We pay him a retainer of $ 1, 000 per annum.

我们每年付给他1， 000美元的预聘费。