increase by的用法和例句

　　例句：

　　The Bureau of Labor Statistics projects that while the number of nurses will increase by 19 percent by 2022, demand will grow faster than supply, and that there will be over one million unfilled nursing jobs by then.

　　勞工統計局預計，雖然到2022年護士人數將增加19%，但需求增長將快于供給，屆時將有100多萬個空缺的護理崗位。

　　We aim to increase sales by 10 per cent

　　我們的目標是將銷售額提高10%。

　　With each day, increase the distance by a half mile.

　　每天增加半英里的距離。

　　Northerly winds will increase to force six by midday.

　　到中午時分北風會加強到6級。