afford的形容詞怎麼寫

We usually start off with the more affordable methods.

我們通常從更便宜的`方法開始。

The demand for more affordable glasses rose drastically.

對更便宜眼鏡的需求急劇上升。

Congratulations! Affordable housing is rare in this city.

恭喜你！這座城市經濟適用房很少。