例句：

　　People should pay according to their means.

　　人們應該按照各自的負擔能力來消費。

　　The containers are graded according to size.

　　這些容器按大小分類。

　　Prices change according to supply and demand.

　　價格根據供應量和需求量而變化。

　　Prices vary according to the quantity ordered.

　　價格根據所訂數量而變化。