This would make their yearly income more than the Prime Minister earns.

这将使他们的年收入超过首相的收入。

Yearly income: 30000.

年收入：30000。

Minimum income - ensures that the minimum yearly income is met.

最小收入—保证满足最小年收入要求。

And what are the consequences of knowing our gross yearly income and not much else?

那么知道我们的年收入总额又有何结果呢？

Senegal – Despite progress, Senegal remains a poor country, with an average yearly income of about $850 per person.

塞内加尔—尽管有些进步，该国仍是一个贫穷的国家，平均每人的年收入约$850美金左右。