Definition
To be very common and easily found, therefore not considered special or valuable.
很普遍
In those days, cheap plastic toys like that were two a penny.
在那些日子里，像那样的便宜塑料玩具随处可见。
Smartphones are two a penny nowadays, with almost everyone owning one.
现在智能手机随处可见，几乎每个人都有。
That store's chain branches are two a penny, you can see them on every corner.
那家店的连锁分店随处可见，你可以在每个角落看到它们。